Let us hold our discussion together in our own persons, making trial of the truth and of ourselves.
There are two sides to every question.
Man is the measure of all things, of things that are that they are, and of things that are not that they are not.
When it comes to consideration of how to do well in running the city, which must proceed entirely through justice and soundness of mind.
No intelligent man believes that anybody ever willingly errs or willingly does base and evil deeds; they are well aware that all who do base and evil things to them unwillingly.
As to gods, I have no way of knowing either that they exist or do not exist, or what they are like.
Man is the measure of all things.
The art of measurement, by showing us the truth would have brought our soul into the repose of abiding by the truth, and so would have saved our life.
The Athenians are right to accept advice from anyone, since it is incumbent on everyone to share in that sort of excellence, or else there can be no city at all.