[113e]
are in fact as different as they can be, you surely do not still suppose you know what is expedient for mankind, and why it is so?
Alcibiades
Well, what is the obstacle, Socrates,—unless you are going to ask me again from whom I learnt it, or how I discovered it for myself?
Socrates
What a way of going on! If your answer is incorrect, and a previous argument can be used to prove it so, you claim to be told something new, and a different line of proof, as though the previous one were like a poor worn-out coat which you refuse to wear any longer; you must be provided instead with something clean and unsoiled in the way of evidence.
