Commentaries
5:17-23 The Divine power of the miracle proved Jesus to be the Son of God, and he declared that he worked with, and like unto his Father, as he saw good. These ancient enemies of Christ understood him, and became more violent, charging him not only with sabbath-breaking, but blasphemy, in calling God his own Father, and making himself equal with God. But all things now, and at the final judgment, are committed to the Son, purposely that all men might honour the Son, as they honour the Father; and every one who does not thus honour the Son, whatever he may think or pretend, does not honour the Father who sent him.
19, 20. the Son can do nothing of himself—that is, apart from and in rivalry of the Father, as they supposed. The meaning is, "The Son can have no separate interest or action from the Father."
for what things, &c.—On the contrary, "whatever the Father doeth that same doeth the Son,"
likewise—"in the like manner." What claim to absolute equality with the Father could exceed this: not only to do "the same things," but to do them as the Father does them?