21 And Jesus answering said to them: Verily I say to you, if ye have faith, and do not doubt, not only shall ye do what is done to the fig-tree, but even if ye say to this mountain, be thou taken up and cast into the sea, it shall be done.
Matthew 21:21 Cross References - ABU
Matthew 8:12
12 but the sons of the kingdom will be cast out into the outer darkness. There will be the weeping, and the gnashing of teeth!
Matthew 17:20
20 And he said to them: Because of your want of faith. For verily I say to you, if ye have faith as a grain of mustard, ye shall say to this mountain, remove hence to yonder place, and it shall remove; and nothing shall be impossible to you.
Mark 11:22-23
Luke 17:6-7
6 And the Lord said: If ye had faith as a grain of mustard, ye would say to this sycamine-tree, Be thou plucked up by the root, and planted in the sea; and it would have obeyed you.
7 And who of you, having a servant plowing, or feeding cattle, will say to him immediately, when he has come in from the field, Come and recline at table;
Romans 4:19-20
1 Corinthians 13:2
2 And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so as to remove mountains, and have not love, I am nothing.
James 1:6
6 But let him ask in faith, nothing wavering; for he that wavers is like a wave of the sea driven by the wind and tossed.