Matthew 12:38 in the World English Bible
Then certain of the scribes and Pharisees answered, “Teacher, we want to see a sign from you.”
Context
37 For by thy words thou shalt be justified, and by thy words thou shalt be condemned.
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: