Luke 20:5

And they reasoned among themselves, saying, "If we say, "From heaven,' He will say, "Why then did you not believe him?'

Surrounding context

20:4 The baptism of John--was it from heaven or from men?"

20:5 And they reasoned among themselves, saying, "If we say, "From heaven,' He will say, "Why then did you not believe him?'

20:6 But if we say, "From men,' all the people will stone us, for they are persuaded that John was a prophet."