Matthew 16:4

Origen Commentary on Matthew Book XII " when also, "He left them and departed."[16]

Origen Commentary on Matthew Book XII

And the Saviour seems to me to conjoin the sign which was to come from Himself with the reason of the sign in regard to Jonah when He says, not merely that a sign like to that is granted by Him but that very sign; for attend to the words, "And there shall no sign be given to it but the sign of Jonah the prophet."[18]

Origen Commentary on Matthew Book XII

But this very saying, "So then while her husband liveth, she shall be called an adulteress," we have brought forward, wishing clearly to show why in answer to the Pharisees and Sadducees who were tempting Him and asking Him to show them a sign from heaven, He said not only "a wicked generation," but an "adulterous" generation.[27]