There are intelligible principles inherent in the matter of every phenomenon; because matter is essentially the sum of all the seemings that it has for any and all persons.

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

There are two sides to every question.

There are intelligible principles inherent in the matter of every phenomenon; because matter is essentially the sum of all the seemings that it has for any and all persons.

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

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

Man is the measure of all things.