His own Father — The Greek word means his own Father in such a sense as no creature can speak. Making himself equal with God — It is evident all the hearers so understood him, and that our Lord never contradicted, but confirmed it.
Related Commentaries of John 5:18
John 5:18
18 Therefore the Jews sought the more to kill him, because he not only had broken the sabbath, but said also that God was his Father, making himself equal with God.