But Jesus answered and said to them, "I also will ask you one question; then answer Me, and I will tell you by what authority I do these things:
Mark 11:29
Surrounding context
11:28 And they said to Him, "By what authority are You doing these things? And who gave You this authority to do these things?"
11:29 But Jesus answered and said to them, "I also will ask you one question; then answer Me, and I will tell you by what authority I do these things:
11:30 The baptism of John--was it from heaven or from men? Answer Me."