Mark 11:33 in the King James Version
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.
Context
32 If we should say, ‘From men’”—they feared the people, for all held John to really be a prophet.
33 They answered Jesus, “We don’t know.” Jesus said to them, “Neither will I tell you by what authority I do these things.”