Faith is one of the most central themes of the entire Bible. The book of Hebrews defines it beautifully: "Faith is the substance of things hoped for, the evidence of things not seen" (Hebrews 11:1). In other words, faith is not wishful thinking or blind optimism. It is a deep, confident trust in God's character and promises even when we cannot see the outcome. Throughout Scripture, men and women of faith stepped forward into the unknown because they believed God was faithful. Abraham left his homeland. Moses confronted Pharaoh. David faced a giant. Each of them acted not on what they could see, but on who they knew God to be.
Faith is both a gift from God and a response we cultivate. Paul writes that we are "saved through faith, and that not of yourselves; it is the gift of God" (Ephesians 2:8). Yet faith also grows. Romans 10:17 tells us that "faith comes by hearing, and hearing by the word of God." As we read Scripture, pray, worship, and walk with other believers, our faith is strengthened. It is not a static quantity that you either have or don't. It is a living, breathing relationship of trust that deepens over time. Even the disciples asked Jesus, "Increase our faith" (Luke 17:5). God honors that honest request.
Living by faith means walking by faith, not by sight (2 Corinthians 5:7). This doesn't mean ignoring reality but choosing to trust that God's reality is bigger than our circumstances. Faith without works is dead (James 2:17), which means genuine faith will always produce action. It changes the way we love, give, serve, and endure hardship. At the same time, faith is not the absence of doubt. Many biblical heroes wrestled with questions. What matters is that we bring those doubts to God rather than walking away from him.
Bible verses about faith
« Now faith is assurance of things hoped for, proof of things not seen. »
« So faith comes by hearing, and hearing by the word of God. »
« Jesus answered them, “Have faith in God. »
« for we walk by faith, not by sight. »
« for by grace you have been saved through faith, and that not of yourselves; it is the gift of God, »
« I have been crucified with Christ, and it is no longer I who live, but Christ lives in me. That life which I now live in the flesh, I live by faith in the Son of God, who loved me, and gave himself up for me. »
« Even so faith, if it has no works, is dead in itself. »
« Behold, his soul is puffed up. It is not upright in him, but the righteous will live by his faith. »
Sermons about faith
- Matthew 11: Faith Is Trust, Not a Burden→
- John 14: Thaddaeus, the Faithfulness of a Quiet Apostle→
- Hebrews 11:35: A Better Faith, Even Without Deliverance→
- Matthew 25: There Is No Shortcut to Becoming Faithful→
- Hebrews 11: Faith Means Putting On Your Hiking Boots→
- 20 Bible Verses for a First Communion or Confirmation: Young Faith and Belonging→
Frequently asked questions about faith
Is faith a gift or a choice?
Scripture presents both sides of this truth. Ephesians 2:8 says faith is a gift of God, meaning the ability to believe comes from his grace. Yet all through the Bible, people are invited to choose to believe and respond. God opens the door, but we walk through it. Faith is a gift you receive and a choice you make every day.
How can I grow my faith?
Faith grows primarily through hearing God's Word (Romans 10:17). Regular Bible reading, prayer, worship, fellowship with other believers, and even walking through trials all strengthen your faith. Ask God to increase your faith, just as the disciples did, and then put yourself in positions where you must depend on him.
Can you doubt and still have faith?
Absolutely. Doubt is not the opposite of faith — unbelief is. Many faithful people in the Bible had moments of doubt, including John the Baptist (Matthew 11:3) and Thomas (John 20:25). God does not reject honest questions. He invites you to bring your doubts to him rather than let them push you away.