When it comes to consideration of how to do well in running the city, which must proceed entirely through justice and soundness of mind.
—Protagoras
As touching the gods, I do not know whether they exist or not, nor how they are featured; for there is much to prevent our knowing: the obscurity of the subject and the brevity of human life.
—Protagoras
There are two sides to every question.
—Protagoras
Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.
—Protagoras
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.
—Protagoras
Wondering Whom to Read Next?
Anaxagoras Greek Philosopher
Democritus Ancient Greek Philosopher
Heraclitus Ancient Greek Philosopher
Aristotle Ancient Greek Philosopher
Thales of Miletus Greek Philosopher, Mathematician
John Rawls American Philosopher
Jeremy Bentham British Philosopher, Economist
Ludwig Andreas Feuerbach German Philosopher
Daniel C. Dennett American Philosopher, Atheist
Robert Anton Wilson American Polymath