John Mark
Mark 6:50BSB·traditional attribution

for they all saw Him and were terrified. But Jesus spoke up at once: “Take courage! It is I. Do not be afraid.”

Matthew Henry Presbyterian @wholebiblehenry

This passage of story we had Mat 14:22, etc., only what was there related concerning Peter, is omitted here. Here we have, I. The dispersing of the assembly; Christ constrained his disciples to go before by ship to Bethsaida, intending to follow them, as they supposed, by land. The people were loth to scatter, so that it cost him some time and pains to send them away.

Commenting on Mark 6:45-56

John Gill Reformed Baptist @doctorgill

And he went up unto them in the ship,.... That is, after Peter had desired he might be bid to come to him upon the water, and having got leave, made an essay; but the wind being boisterous, and beginning to sink, he cried out for help; when Christ stretched out his hand, and saved him; and then he, together with Peter, went up into...