Luke 20:8
So, Jesus said to them, " [Then] neither will I tell you by what authority I am doing these things."
Matthew 15:14
[So], let these Pharisees alone; they are blind leaders. And if a blind person leads a blind person, both of them will fall into a ditch."
Matthew 16:4
"It is an evil and spiritually unfaithful generation of people [that keeps on] looking for a [supernatural] sign; but there will be no [such] sign given to it except the sign of Jonah [i.e., being in the huge fish for three days]." Then He left them and went away.
Matthew 21:27
So, they answered Jesus, "We do not know [where John got the authority for his immersion]." Jesus then replied to them, "[Then] neither will I tell you by what authority I am doing these things [i.e., miracles and teaching].
Mark 11:33
So, they answered Jesus and said, "We do not know [where John got his authority to immerse]." Jesus replied to them, " [Then] neither will I tell you by what authority I am doing these things [i.e., miracles and teaching]."
Luke 22:68
And if I asked you [who I am] you would not answer.