Mark 11:28-30

World English Bible

²⁸ and they began saying to him, “By what authority do you do these things? Or who gave you this authority to do these things?”

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. ³⁰ The baptism of John—was it from heaven, or from men? Answer me.”