From Aulus Gellius Noctes Atticae 20.1.9:
“Don’t ask me,” said Favorinus, “what I think. For you know that I am accustomed, according to the rule of the sect that I follow, to inquire rather than to decide.”
“Noli” inquit Favorinus “ex me quaerere, quid ego existumeme. Scis enim solitum esse me pro disciplina sectae, quam colo, inquirere potius quam decernere.”