And the Lord said, If your faith was only as great as a grain of mustard seed, you might say to this tree, Be rooted up and planted in the sea; and it would be done.
2 Chronicles 16:7
At that time Hanani the seer came to Asa, king of Judah, and said to him, Because you have put your faith in the king of Aram and not in the Lord your God, the army of the king of Aram has got away out of your hands.
And he said to them, Where is your faith? And fear and wonder overcame them, and they said to one another, Who then is this, who gives orders even to the winds and the water and they do what he says?
Now that no man gets righteousness by the law in the eyes of God, is clear; because, The upright will be living by faith.
And Jesus, hearing it, said to them, Why are you reasoning among yourselves because you have no bread? do you still not see, and is it still not clear to you? are your hearts so hard?
And he was unable to do any work of power there, but only to put his hands on one or two persons who were ill, and make them well.
And he was greatly surprised because they had no faith. And he went about the country places teaching.
And Jesus in answer said to them, Truly I say to you, If you have faith, without doubting, not only may you do what has been done to the fig-tree, but even if you say to this mountain, Be taken up and put into the sea, it will be done.