38 Then some of the scribes and Pharisees answered him, saying: Master we would see a sign from thee.39 Who answering said to them: An evil and adulterous generation seeketh a sign: and a sign shall not be given it, but the sign of Jonas the prophet.40 For as Jonas was in the whale's belly three days and three nights: so shall the Son of man be in the heart of the earth three days and three nights.