Mark 11:33

"And they answered and said unto Jesus, We cannot tell. And Jesus answering saith unto them, Neither do I tell you by what authority I do these things."

Cross References (ranked by relevance)

Matthew 15:14

Let them alone: they be blind leaders of the blind. And if the blind lead the blind, both shall fall into the ditch.

John 3:10

Jesus answered and said unto him, Art thou a master of Israel, and knowest not these things?

Isaiah 56:10

His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber.

Romans 1:28

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

Matthew 16:4

A wicked and adulterous generation seeketh after a sign; and there shall no sign be given unto it, but the sign of the prophet Jonas. And he left them, and departed.

John 9:27

He answered them, I have told you already, and ye did not hear: wherefore would ye hear it again? will ye also be his disciples?

Matthew 21:27

And they answered Jesus, and said, We cannot tell. And he said unto them, Neither tell I you by what authority I do these things.

Job 5:13

He taketh the wise in their own craftiness: and the counsel of the froward is carried headlong.

2 Corinthians 3:15

But even unto this day, when Moses is read, the vail is upon their heart.

Isaiah 1:3

The ox knoweth his owner, and the ass his master’s crib: but Israel doth not know, my people doth not consider.

Hosea 4:6

My people are destroyed for lack of knowledge: because thou hast rejected knowledge, I will also reject thee, that thou shalt be no priest to me: seeing thou hast forgotten the law of thy God, I will also forget thy children.