Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.


As quoted in Theaetetus by Plato section 152a

Protagoras Quotes

Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.

Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.

Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.

Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.