What Faith Is

Hebrews 11:1

Now faith is the substance of things hoped for, the evidence of things not seen.

1 John 5:4

For whatsoever is born of God overcometh the world: and this is the victory that overcometh the world, even our faith.

Romans 1:17

For therein is the righteousness of God revealed from faith to faith: as it is written, The just shall live by faith.