17If anyone wants to do His will, he will know concerning the teaching, whether it is from God or whether I am speaking on my own.
18Someone who speaks on his own is seeking his own glory; but He who seeks the glory of the One who sent Him, He is true, and there is no unrighteousness in Him.
19“Did not Moses give you the Law? And yet not one of you keeps the Law! Why do you want to kill me?”
20The crowd answered and said, “You must have a demon! Who wants to kill you?”
21Jesus answered and said to them: “I did one work, and you all marvel.
22Consider this: Moses gave you circumcision (not that it comes from Moses, but from the patriarchs), and you circumcise a man on the Sabbath.
John 7
John 7:17-22