Mark 11:22 in the King James Version
And Jesus answering saith unto them, Have faith in God.
Context
21 Peter, remembering, said to him, “Rabbi, look! The fig tree which you cursed has withered away.”
22 Jesus answered them, “Have faith in God.
23 For most certainly I tell you, whoever may tell this mountain, ‘Be taken up and cast into the sea,’ and doesn’t doubt in his heart, but believes that what he says is happening, he shall have whatever he says.