Matthew 27:63

We remember that that deceiver said... — It appears, then, that though they had deliberately stirred up the passions of the people by representing the mysterious words of John 2:14 as threatening a literal destruction of the Temple (Matthew 26:61; Matthew 27:40), they themselves had understood, wholly or in part, their true meaning. We are, perhaps, surprised that they should in this respect have been more clear-sighted than the disciples, but in such a matter sorrow and disappointment confuse, and suspicion sharpens the intellect.

That deceiver. — They had used the cognate verb of Him before (John 7:12), and this was, perhaps, their usual way of speaking of Him.