Doth our law judge any man? — He identifies Himself with them. He, like they, is an expounder of the Law. The force of the question is in the word “Law,” which they had used but the moment before in their scorn for the people who knew not the Law. “Well, this Law, which we do know and understand, doth it judge without open investigation?” Did they in their blind zeal forget such passages as Exodus 23:1; Deuteronomy 1:16-17; Deuteronomy 19:15? They had determined a death, and were seeking to carry their sentence into effect in direct contravention of the Law. This holy people, instructed in the Law — they were the Law-breakers.
Before it hear him. — The better reading is, unless it hear first from him.
And know what he doeth — i.e., know the deed for which he is tried.