“The only true wisdom is in knowing you know nothing.”
“He who is not a good servant will not be a good master.”
“To find yourself, think for yourself.”
“The unexamined life is not worth living.”
“There is only one good, knowledge, and one evil, ignorance.”
“I cannot teach anybody anything. I can only make them think.”
“Falling down is not a failure. Failure comes when you stay down.”