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Period: 469 BCE to 399 BCE
Socrates
"He who is not contented with what he has, would not be contented with what he would like to have." -
Period: 428 BCE to 348 BCE
Plato
"Good actions give strength to ourselves and inspire good actions in others." -
Period: 384 BCE to 322 BCE
Aristotle
"At his best, man is the noblest of all animals separated from law and justice he is the worst."