John 5:18

18 because of this, then, were the Jews seeking the more to kill him, because not only was he breaking the sabbath, but he also called God his own Father, making himself equal to God.

John 5:18 In-Context

16 and because of this were the Jews persecuting Jesus, and seeking to kill him, because these things he was doing on a sabbath.
17 And Jesus answered them, `My Father till now doth work, and I work;'
18 because of this, then, were the Jews seeking the more to kill him, because not only was he breaking the sabbath, but he also called God his own Father, making himself equal to God.
19 Jesus therefore responded and said to them, `Verily, verily, I say to you, The Son is not able to do anything of himself, if he may not see the Father doing anything; for whatever things He may do, these also the Son in like manner doth;
20 for the Father doth love the Son, and doth shew to him all things that He himself doth; and greater works than these He will shew him, that ye may wonder.
Young's Literal Translation is in the public domain.