And he sighed deeply in his spirit, and said, Why does this generation seek after a sign? verily I say unto you, There shall no sign be given unto this generation.
And when Jesus knew it, he said unto them, Why reason you, because you have no bread? perceive you not yet, neither understand? have you your heart yet hardened?
Jesus said unto him, Have I been so long a time with you, and yet have you not known me, Philip? he that has seen me has seen the Father; and how say you then, Show us the Father?