Ephesians 4:29

Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

Matthew 9:22

But Jesus turned him about, and when he saw her, he said, Daughter, be of good comfort; thy faith hath made thee whole. And the woman was made whole from that hour.

Matthew 15:28

Then Jesus answered and said unto her, O woman, great [is] thy faith: be it unto thee even as thou wilt. And her daughter was made whole from that very hour.

Matthew 17:20

And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.

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.