Discourses: Book 3 1 : 3
If you bring this charge against me some day, what shall I be able to say in my own defence? Yes; but suppose I speak and he not obey. And did Laius obey Apollo? Did he not go away and get drunk and say good-bye to the oracle? What then? Did that keep Apollo from telling him the truth? Whereas I do not know whether you will obey me or not. Apollo knew perfectly well that Laius would not obey, and yet he spoke.—But why did he speak?—And why is he Apollo? And why does he give out oracles? And why has he placed himself in this position, to be a prophet and a fountain of truth, and for the inhabitants of the civilized world to come to him? And why are the words "Know thyself" carved on the front of his temple, although no one pays attention to them?