Matthew 12:38-40 Then certain of the scribes and of the Pharisees answered, saying, Master, we would see a sign from thee.

KJV⁽ⁱ⁾ ³⁸ Then certain of the scribes and of the Pharisees answered, saying, Master, we would see a sign from thee. ³⁹ But he answered and said unto them, An evil and adulterous generation seeketh after a sign; and there shall no sign be given to it, but the sign of the prophet Jonas: ⁴⁰ For as Jonas was three days and three nights in the whale's belly; so shall the Son of man be three days and three nights in the heart of the earth.

RKJNT⁽ⁱ⁾ ³⁸ Then certain of the scribes and of the Pharisees answered, saying, Teacher, we wish see a sign from you. ³⁹ But he answered them, An evil and adulterous generation seeks after a sign; and no sign shall be given to it, but the sign of the prophet Jonah: ⁴⁰ For as Jonah was three days and three nights in the belly of a huge fish; so shall the Son of man be three days and three nights in the heart of the earth.