Mark 11:20-23

As they were passing by in the morning, they saw the fig tree withered from the roots up. Being reminded, Peter *said to Him, “Rabbi, look, the fig tree which You cursed has withered.” And Jesus *answered saying to them, “Have faith in God. Truly I say to you, whoever says to this mountain, ‘Be taken up and cast into the sea,’ and does not doubt in his heart, but believes that what he says is going to happen, it will be granted him.