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

Many things prevent knowledge, including the obscurity of the subject and the brevity of human life.

As to the gods, I have no means of knowing either that they exist or do not exist.

Man is the measure of all things, of the reality of those which are, and of the unreality of those which are not.

There are two sides to every question.

Concerning the gods, I have no means of knowing either that they exist or that they do not exist, nor what sort of form they may have; there are many reasons why knowledge on this subject is not possible, owing to the lack of evidence and the shortness of human life.

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

Many things prevent knowledge, including the obscurity of the subject and the brevity of human life

Man is the measure of all things.

When it comes to consideration of how to do well in running the city, which must proceed entirely through justice and soundness of mind.