Cornelius a Lapide

The people answered and said. Thou hast a devil, who seeheth to kill Theef That is, Thou art mad as Saul was when possessed with a devil Or more strictly, it is the devil who instigates Thee to make this false charge of murder against us. We never thought of it These are the words of the people, some of whom thought well, and others ill of Christ, but yet did not wish to kill Him. But that was the wish of the Scribes and rulers, who mingled with the crowd. Christ therefore glances at them, and openly proclaims their secret plans for killing Him, which were fully known to Him, thus shewing Him to be God