Man is the measure of all things, of the reality of those which are, and of the unreality of those which are… — Protagoras Copy Share Image
Everyone, including the Athenians [...] are right to accept advice from anyone, since it is incumbent on everyone to share in that sort of… — Protagoras Copy Share Image
As to the gods, I have no means of knowing either that they exist or do not exist. — Protagoras Copy Share Image
Concerning the gods, I have no means of knowing either that they exist or that they do not exist, nor what sort of form… — Protagoras Copy Share Image
About the gods I have no means of knowing either that they exist or that they do not exist or what they are to… — Protagoras Copy Share Image
There are intelligible principles inherent in the matter of every phenomenon; because matter is essentially the sum of all the seemings that it has… — Protagoras Copy Share Image
Man is the measure of all things, of things that are that they are, and of things that are not that they are not. — Protagoras Copy Share Image
The Athenians are right to accept advice from anyone, since it is incumbent on everyone to share in that sort of excellence, or else… — Protagoras Copy Share Image
Many things prevent knowledge, including the obscurity of the subject and the brevity of human life — Protagoras Copy Share Image
No intelligent man believes that anybody ever willingly errs or willingly does base and evil deeds; they are well aware that all who do… — Protagoras Copy Share Image
As to gods, I have no way of knowing either that they exist or do not exist, or what they are like. — Protagoras Copy Share Image
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 Copy Share Image
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