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 12:28

The Greatest Commandment

12:28 Now one of the experts in the law came and heard them debating. When he saw that Jesus answered them well, he asked him, “Which commandment is the most important of all?”

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.”