Ancilla to the Pre-Socratic Philosophers, by Kathleen Freeman, [1948], at sacred-texts.com
Ancilla to the Pre-Socratic Philosophers, by Kathleen Freeman, [1948], at sacred-texts.com
Diogenes of Smyrna lived in the fourth century B.C.
His opinions, which are said to have been the same as those of Protagoras, have not survived.