John Mark
Mark 4:40ESV·traditional attribution

He said to them, “Why are you so afraid? Have you still no faith?”

Matthew Henry Presbyterian @wholebiblehenry

This miracle which Christ wrought for the relief of his disciples, in stilling the storm, we had before (Mat 8:23, etc.); but it is here more fully related. Observe, 1. It was the same day that he had preached out of a ship, when the even was come, Mar 4:35.

Commenting on Mark 4:35-41

Geneva Bible Notes Reformed @genevanotes

And he said unto them, Why are ye so fearful? how is it that ye have no faith? (m) How does it come to pass that you have no faith?

Adam Clarke Methodist @methodicalclarke

Why are ye so fearful? - Having me with you. How is it that ye have no faith? - Having already had such proofs of my unlimited power and goodness.