“Truly I tell you,” Jesus replied, “if you have faith and do not doubt, not only will you do what was done to the fig tree, but even if you say to this mountain, ‘Be lifted up and thrown into the sea,’ it will happen.
21 And Jesus answering. The use of the miracle is still farther extended by Christ, in order to excite his disciples to faith and confidence. By Mark, the general exhortation is placed first, to have faith in God; and then follows the promise, that they would obtain by faith whatever they asked from God.
Jesus answered and said unto them,.... His disciples wondering at his power, in causing the fig tree to wither so suddenly: verily I say unto you, if ye have faith; that is, in God, in his power, which reaches to all things: the object of faith is expressed in Mark, and by way of exhortation, "have faith in God", that he will enable you to...
Verse 21. Jesus answered and said, etc. Jesus took occasion from this to establish their faith in God, . He told them that any difficulty could be removed by faith. To remove a mountain, denotes the power of overcoming any difficulty. The phrase was so used by the Jews.