Because of this, the Jews tried all the harder to kill Him. Not only was He breaking the Sabbath, but He was even calling God His own Father, making Himself equal with God.
Textus Receptus (TR) - John 5:18 >Διὰ τοῦτο οὖν μᾶλλον ἐζήτουν αὐτὸν οἱ Ἰουδαῖοι ἀποκτεῖναι, ὅτι οὐ μόνον ἔλυε τὸ σάββατον, ἀλλὰ καὶ πατέρα ἴδιον ἔλεγε τὸν Θεόν, ἴσον ἑαυτὸν ποιῶν τῷ Θεῷ.