Mark 11:28 in the World English Bible
and they began saying to him, “By what authority do you do these things? Or who gave you this authority to do these things?”
Context
27 And they come again to Jerusalem: and as he was walking in the temple, there come to him the chief priests, and the scribes, and the elders,
28 And say unto him, By what authority doest thou these things? and who gave thee this authority to do these things?
29 And Jesus answered and said unto them, I will also ask of you one question, and answer me, and I will tell you by what authority I do these things.