When he saw the wind boisterous. — The adjective is wanting in the best MSS.
He was afraid. — In the conflict between sight and faith, faith was worsted, and with that came fear. The supernatural strength left him, and the swimmer’s art would not now avail, and so the waters were closing over him, and he cried out in his agony. And then the gracious pity of his Lord helped the “little faith” with the firm sustaining grasp, not, indeed, without a word of loving reproof, and yet as unwilling even here to quench the smoking flax.