38 Then some of the Scribes and Pharisees accosted him. "Teacher," they said, "we want to see some sign from you."
39 In reply Jesus told them. "An evil and faithless generation seeks a sign, and no sign will be given them except the sign of the prophet Jonah.
40 "For just as Jonah was three days and three nights in the sea- monsters belly, so the Son of man will be three days and three nights in the heart of the earth.