What is faith?

Romans 10:17 Hebrews 11:1 Ephesians 2:8-9 Galatians 2:20 James 2:17 Mark 11:23 Romans 4:19-21 John 1:12 2 Peter 1:1

How do you believe in someone you can’t see? What if your faith doesn’t feel strong enough? Here’s an overview of what the Bible says.

  • Faith is trusting in Christ Himself - not just believing facts about Jesus, but receiving Him as a person
  • Faith is a gift, not something you manufacture - God gives you the faith; you simply receive and act on it
  • Faith grows by hearing God’s Word - the more you hear and meditate on Scripture, the stronger your faith becomes
  • Faith must overcome unbelief - your effective faith is determined by how much you conquer doubt with truth
  • Faith produces action - if faith doesn’t change how you live, it’s not genuine faith

Faith is trusting in Jesus Christ and what He’s already done for you. It’s not about working up enough belief or trying harder to convince yourself. Faith is a gift from God that comes as you hear His Word. Its our choice whether or not to use it.

Scripture says, “Faith comes by hearing, and hearing by the Word of Christ” ( Romans 10:17 ). As you expose yourself to God’s truth, faith grows naturally. Your job isn’t to create faith - it’s to feed it with Scripture and refuse to feed doubt with negativity, fear, or lies.

Real faith always produces action. Not works to earn God’s approval, but works that flow naturally from believing His promises. James 2:17 says faith without works is dead - if what you claim to believe doesn’t affect how you live, it’s not genuine faith. Faith and action work together.


A deeper look

Faith is trusting in Christ Himself

Many people approach faith as if it’s about believing the right facts or accepting certain benefits Jesus offers. But saving faith means receiving Jesus as a person - all of who He is.

You can’t pick and choose which parts of Jesus you want. He’s not offering you forgivenessWhat is forgiveness?Choosing to release someone from their debt to you because God forgave you first-it's a command, not just a suggestion. Full answer coming soon… separate from Himself, or heaven apart from relationship with Him. John 1:12 says, “As many as received Him, to them gave He power to become the sons of God.” It’s about receiving a person, not agreeing to a theological position.

Think of it like marriage. You don’t marry someone for what they can do for you while rejecting who they are. You take them as a complete person. That’s how we come to Christ - we receive Him as Savior, LordWhat does it mean that Jesus is Lord?"Jesus is Lord" means acknowledging His authority over everything and submitting to His rule. This is the confession that yields salvation. Full answer coming soon… , and King. Not one role without the others, but all of who He is.

Faith is a gift, not something you manufacture

One of the most freeing truths about faith is that it’s not something you have to work up on your own. Ephesians 2:8-9 says, “For by graceWhat is grace?God's unearned favor toward us - a free gift of righteousness and forgiveness through Jesus, not earned by our performance. Read full answer are you saved through faith; and that not of yourselves: it is the gift of God: Not of works, lest any man should boast.”

Even the faith you exercise is a gift. Galatians 2:20 reveals something remarkable - we live “by the faith of the Son of God.” It’s not even primarily your faith; it’s Christ’s faith working in you. 2 Peter 1:1 says believers have “obtained like precious faith with us through the righteousnessWhat is righteousness?Right standing with God or man. Being right with God is something we can't earn but receive as a gift through faith in Jesus. Read full answer of God and our Savior Jesus Christ.”

You’re not responsible for manufacturing faith from nothing. God gave you faith. Your responsibility is to use what He’s given and not let unbelief cancel it out.

Faith grows by hearing God’s Word

If faith comes by hearing the Word of God, then growing your faith is simple: fill your heart and mind with Scripture. The more you hear God’s truth, the more your faith becomes effective. Romans 10:17 makes this clear - “Faith comes by hearing, and hearing by the Word of Christ.”

This isn’t just reading words on a page. It’s meditating on God’s promisesWhat does it mean to meditate on Scripture?Transforming your mind with God's Word by pondering truth and letting it renew your thinking. Full answer coming soon… , speaking them out loud, and letting them sink deep into your heart. When you consistently expose yourself to what God says about you, about His character, and about His promises, faith rises naturally.

If you constantly feed on doubt - negative news, fearful thoughts, or lies about yourself and God’s character - your faith weakens. Your effective faith is the difference between the faith you’re given and the unbelief you’re tolerating. Conquer unbeliefHow do I overcome doubt?Get to know God better. Faith grows when you focus on His Word instead of circumstances. Trust Him. Full answer coming soon… by replacing it with Scripture.

Faith must overcome unbelief

Everyone has been given a measure of faith ( Romans 12:3 ). Jesus said that faith the size of a mustard seed could move a mountain ( Mark 11:23 ). So why don’t we see more mountains moving?

The issue isn’t lack of faith - it’s unbelief working against it. Think of it like a balance scale: faith on one side, unbelief on the other. Your effective faith is what remains after unbelief is subtracted.

Unbelief comes from many sources - incorrect doctrine, negative circumstances, past disappointments, or simply not knowing what God’s Word says. The solution is to aggressively conquer unbelief with Scripture.

Romans 4:19-21 says Abraham “staggered not at the promise of God through unbelief; but was strong in faith, giving glory to God; and being fully persuaded that, what He had promised, He was able also to perform.” Abraham chose not to consider the contradicting circumstances. He refused doubt. You can do the same by filling your mind with truth until you’re fully persuaded.

Philemon 1:6 puts it this way - your faith becomes effective by acknowledging every good thing that is in you in Christ. You choose to focus on what Christ did rather than the doubt that circumstances bring.

Real faith produces action

Faith isn’t passive. James 2:17-18 says, “Even so faith, if it has no works, is dead, being by itself. But someone may well say, ‘You have faith and I have works; show me your faith without the works, and I will show you my faith by my works.’”

This doesn’t mean you’re saved by worksIs salvation by faith alone, or faith plus works?Salvation is by grace through faith alone. That faith produces good works in you, but the works aren't what saves you. Full answer coming soon… - Ephesians 2:8-9 is clear that salvationWhat is salvation?Salvation is being made right with God through faith in Jesus Christ. Its how we gain eternal life and get to know God. Full answer coming soon… is by grace through faith, not works. But genuine faith naturally produces action. You’re not saved by good works, but you are saved unto good works ( Ephesians 2:10 ).

If you truly believe God’s promises, you’ll act on them. If you believe He hears prayer, you’ll pray. If you believe He provides, you won’t be consumed with worry. If you believe He’s called you to something, you’ll step out in obedience.

Faith and works aren’t opposedIs salvation by faith alone, or faith plus works?Salvation is by grace through faith alone. That faith produces good works in you, but the works aren't what saves you. Full answer coming soon… - they work together. James 2:22 says, “You see that faith worked with his works, and by works faith was perfected.”


What faith is NOT

  • Not a feeling you work up - faith is confident trust in God’s Word, whether you feel it or not
  • Not believing harder in your own ability - it’s resting in what Christ has done, not your performance
  • Not passive acceptance - real faith moves you to action, even when circumstances look contrary
  • Not something you lose when you stumble - genuine faith continues and perseveres, even through failure

Key scriptures

  • Romans 10:17 - faith comes by hearing the Word of Christ
  • Hebrews 11:1 - faith is the substance of things hoped for, the evidence of things not seen
  • Ephesians 2:8-9 - salvation is by grace through faith, not of works
  • Galatians 2:20 - we live by the faith of the Son of God
  • James 2:17 - faith without works is dead
  • Mark 11:23 - faith without doubt moves mountains
  • Romans 4:19-21 - Abraham’s faith refused to consider contradicting circumstances
  • 2 Peter 1:1 - we’ve obtained the same precious faith through Christ’s righteousness
  • John 1:12 - as many as received Him, to them gave He power to become the sons of God

INTERNAL

Similar Questions

This is a new foundational question about the nature and function of faith itself. While related questions exist about Jesus, grace, and the Bible, no existing question directly addresses “What is faith?” as a core concept.

Related questions touch on faith tangentially:

  • “What is grace?” discusses God’s unmerited favor but doesn’t define faith
  • “Who is Jesus Christ?” establishes the object of faith but doesn’t explain faith itself
  • “How do people know the Bible is true?” addresses trust in Scripture but not the mechanism of faith

Agent reasoning: This question deserves its own page because faith is foundational to Christianity and requires explanation of both what it is (trust in Christ as a person, a gift from God) and how it works (comes by hearing, grows through Scripture, produces action). The source materials provide rich teaching on faith’s nature, source, and function that warrant dedicated coverage.

Resources

Research Notes

From The Good News Slides

Faith comes by hearing the Word (Slide 71):

  • Everyone has been given the measure of faith
  • Faith of a mustard seed can move mountains ( Mark 11:23 )
  • Faith comes by hearing, and hearing by the Word ( Romans 10:17 )
  • Effective faith = Faith - Unbelief
  • Conquer unbelief (ignorance, incorrect doctrine) with Scripture
  • Walk by faith, not by sight ( 2 Corinthians 5:7 )

It’s Christ’s faith in us (Slide 31, 71):

  • Galatians 2:20 - “I live by the faith of the Son of God”
  • Galatians 2:16 - Justified by the faith of Jesus Christ, not works
  • 2 Peter 1:1 - We’ve obtained like precious faith through Christ’s righteousness
  • Philemon 1:6 - Faith becomes effectual by acknowledging every good thing in you in Christ

Abraham’s example of refusing doubt (Slide 18):

  • Romans 4:3 - Abraham believed God and it was counted as righteousness
  • Romans 4:19-21 - He didn’t consider his own dead body or Sarah’s womb; didn’t stagger at God’s promise through unbelief; was strong in faith, giving glory to God; fully persuaded that what God promised, He was able to perform
  • Hebrews 11:1 - Faith is the substance of things hoped for, evidence of things not seen
  • 1 John 5:4 - Faith is the victory that overcomes the world

Faith must produce action (Slide 19):

  • James 1:22 - Be doers of the Word, not hearers only
  • James 2:14 - What profit if someone says he has faith but has no works?
  • James 2:17-18 - Faith without works is dead; show me your faith by your works
  • James 2:20 - Faith without works is useless
  • James 2:22 - Faith worked with his works, and by works faith was made perfect
  • Hebrews 11:33 - Through faith they conquered kingdoms, administered justice, gained promises

Faith without doubt (Slide 143):

  • Matthew 21:21-22 - If you have faith and do not doubt, you can move mountains; all things you ask in prayer, believing, you will receive

Saved by grace through faith (Slide 134, 43):

  • Ephesians 2:8-10 - By grace saved through faith, not of yourselves, it’s God’s gift; not of works; created unto good works
  • Acts 16:31 - Believe on the Lord Jesus Christ and you shall be saved
  • John 3:16 - Whoever believes in Him should not perish but have everlasting life
  • John 6:29 - The work of God is that you believe on Him whom He sent
  • Romans 3:28 - Justified by faith without works of the law
  • Romans 4:22-25 - Abraham’s faith was imputed to him as righteousness, and to us who believe

From Discipleship Evangelism

The object of faith is Christ Himself (Lesson 7):

  • A.W. Tozer: “The only true object of saving faith is none other than Christ Himself; not the ‘saviourhood’ of Christ nor the ‘lordship’ of Christ, but Christ Himself”
  • We cannot accept one office of Christ and reject another - all are embodied in His person
  • Marriage analogy: A bride doesn’t want you to take just her benefits; she wants you to take her as a person
  • John 1:12 - “As many as received Him, to them gave He power to become the sons of God”
  • Romans 7:4 - We’re married to Christ; we take all of Him, not just parts
  • “Lord” means Master and Ruler; “Jesus” means Savior; “Christ” means Anointed King

Faith continues throughout Christian life (Lesson 12):

  • Faith begins as a complete one-time action (aorist tense) but continues (present tense)
  • John 3:16 in Greek: “believes and continues to believe”
  • Both Calvinism and Arminianism agree genuine saving faith produces fruit
  • Fruit is the test of faith’s reality, though not perfection
  • Ephesians 2:8-10 - Not saved BY good works, but saved UNTO good works
  • Works are a test of faith’s reality ( Acts 26:18 , 1 John 1:8 )

Water baptism as expression of faith (Lesson 8):

  • Baptism is an outward expression of inward faith
  • Faith is what saves, not the act of baptism
  • Acts 10:43 - Everyone who believes in Him receives forgiveness through His name
  • Mark 16:16 - “He that believes and is baptized shall be saved; but he that believes not shall be damned”
  • Baptism requires repentance - a change of heart resulting in turning from sin to Jesus