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

12:39But 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:

15:12Then came his disciples, and said unto him, Knowest thou that the Pharisees were offended, after they heard this saying?