420 BC

Explore 1 quote from the year 420 BC

Man is the measure of all things.

Protagoras

Quoted in Theaetetus, by Plato

More information about this quote

Authentication Score 2

Original Citation

Plato. Θεαίτητος [Theatetus]. c. 400 BC.

Current Citation

Plato. Theatetus, translated by John McDowell. Oxford University Press, 2014.