John Mark
Mark 1:7BSB·traditional attribution

And he proclaimed: “After me will come One more powerful than I, the straps of whose sandals I am not worthy to stoop down and untie.

Matthew Henry Presbyterian @wholebiblehenry

We may observe here, I. What the New Testament is - the divine testament, to which we adhere above all that is human; the new testament, which we advance above that which was old. It is the gospel of Jesus Christ the Son of God, Mar 1:1. 1. It is gospel; it is God's word, and is faithful and true; see Rev 19:9; Rev 21:5; Rev 22:6.

Commenting on Mark 1:1-8

John Gill Reformed Baptist @doctorgill

And preached, saying, there cometh one mightier than I after me,.... From whence it appears, that John was a preacher of Jesus Christ; of the dignity of his person, the excellency of his office, and the nature and importance of his work: the latchet of whose shoes I am not worthy to stoop down and unloose; expressing the great veneration he had for him, and...

William Burkitt Anglican @expositoryburkitt

Observe here, 1. The high opinion that the Baptist had of Christ. He is mightier than I; that is, a Person of greater dignity and excellency by far than myself: whence may be gathered, that though Christ was Man, he was not mere man, but more than man: even very God, equal with his Father; for John Baptist was the greatest of them that were...