More quotes by Plato

"Wise men talk because they have something to say; Fools, because they have to say something."
"Ideas are the source of all things"
"The price good men pay for indifference to public affairs is to be ruled by evil men."
"Be kind, for everyone you meet is fighting a harder battle."
"To conquer oneself is the best and noblest victory; to be vanquished by one's own nature is the worst and most ignoble defeat."