Matthew 21:21
And Jesus answered them, "I solemnly say to you, if you have faith and do not doubt at all, you will not only do the sort of wonder done to the fig tree, but even if you say to this mountain, 'Get up and throw yourself into the sea,' it will be done.
Matthew 17:20
He answered them, "Because you have so little faith! For I solemnly say to you, if you have the faith that is living like a grain of mustard, you can say to this mountain, 'Move over from here to yonder,' and it will move over, and nothing will be impossible for you to do."
James 1:6
But he must ask in faith, without a doubt, for the man who doubts is like a wave of the sea that is whirled and swayed by the wind.
1 Corinthians 13:2
If I should have the gift of prophecy, And know all secret truths, and knowledge in its every form, and have such perfect faith that I could move mountains, but have no love, I am nothing.
Matthew 8:12
while the heirs of the kingdom will be turned out into the darkness outside, where they will be weeping and grinding their teeth."
Mark 11:22-23
Then Jesus answered them, "Have faith in God!
Luke 17:6-7
Then the Lord said to them, "If you had faith that grows like a mustard seed, you might have been saying to this mulberry tree, 'Pull yourself up by the roots and plant yourself in the sea,' and it would have obeyed you!
Romans 4:19-20
Because he never weakened in faith, he calmly contemplated his own vital powers as worn out (for he was about one hundred years old) and the inability of Sarah to bear a child,