Matthew 17:17
Then Jesus answered and said, O unbelieving and perverse generation, how long shall I be with you? how long shall I bear with you?
Matthew 17:20
And Jesus said unto them, because of your unbelief: for verily I tell you, if ye had but faith as a grain of mustard-seed, ye might say to this mountain, Remove from hence thither, and it shall remove: and nothing would be impossible to you.
Luke 1:20
and now shalt thou be dumb, and not able to speak, until the day that these things shall come to pass; because thou believedst not my words, which shall be fulfilled at their season.
Luke 1:45
and blessed is she that believed; for there shall be a performance of the things that were told her from the Lord.
John 1:17
For the law was given by Moses, but grace and truth came by Jesus Christ:
Romans 4:20
He hesitated not at the promise of God through unbelief: but was strong in faith, giving glory to God,
1 Peter 3:15
and be always ready to answer every one that asketh you a reason of the hope that is in you, with meekness and reverence: