Mark 11:28-29

11:28 and said, “By what authority are you doing these things? Or who gave you this authority to do these things?” 11:29 Jesus said to them, “I will ask you one question. Answer me and I will tell you by what authority I do these things:

Mark 11:33

11:33 So they answered Jesus, “We don’t know.” Then Jesus said to them, “Neither will I tell you by what authority I am doing these things.”