John Mark
Mark 11:23ESV·traditional attribution

Truly, I say to you, whoever says to this mountain, ‘Be taken up and thrown into the sea,’ and does not doubt in his heart, but believes that what he says will come to pass, it will be done for him.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. Christ's cursing the fruitless fig-tree. He had a convenient resting-place at Bethany, and therefore thither he went at resting-time; but his work lay at Jerusalem, and thither therefore he returned in the morning, at working-time; and so intent was he upon his work, that he went out from Bethany without breakfast, which, before he was gone far, he found the want of...

Commenting on Mark 11:12-26

John Gill Reformed Baptist @doctorgill

Therefore I say unto you,.... For encouragement in prayer more particularly, without which nothing should be attempted, and especially which is above the power of nature, and is of a miraculous kind: whatsoever things ye desire when ye pray; that is, according to the revealed will of God, is for the confirmation of his Gospel, and for the glory of his name: believe that ye...

William Burkitt Anglican @expositoryburkitt

There are two qualifications requisite in prayer, if we expect to find acceptance with God, namely, faith and love; to the first Christ had spoken in the former verse, to the latter in this. When ye shall stand praying, forgive.