Socrates

"Courage is a divine gift that makes one capable of facing any difficulty, any disaster, being cheered rather than dampened by it."

"Education is the most powerful weapon which you can use to change the world."

"Be kind, for everyone you meet is fighting a hard battle."

"The unexamined life is not worth living for a human being."

"Slow down and everything you are chasing will come around and catch you."

"No one desires to possess ignorance."

"Asclepius did not teach his sons the art of healing diseases, but rather how to avoid needing treatment."

"And what is a benefit, if it is not also painful? The sweet is not distinguished from the bitter save by contrast."

"Slanderers are only successful when there is some mystery about their utterances."

"If all misfortunes were laid in one common heap, whence everyone must take an equal portion, most people would be contented to take their own and depart."

"For a man to pray, and to give thanks is necessary as the breath of his nostrils."

"The greatest way to live with honor in this world is to be what you pretend to be."

"When desire is on one side and reason on the other, it is but a weak contest."

"Courage is knowing what not to fear."

"Not life, but good life, is to be chiefly valued."

"Virtue is happiness."

"The only certainty is that nothing is certain."

"Beware the barrenness of a busy life."

"He who does not know where he came from, does not know where he is going."

"Death may be a blessing to the virtuous."

"The most authentic thing we can be is vulnerable."

"The false conceits, sham ideas, and counterfeits of knowledge always shrivel up under the winds of honest questioning."

"The oracle at Delphi said I was the wisest of the Greeks, but I know nothing."

"The morning is wiser than the evening."

"I follow the will of God; no human power can withstand that."

"Understanding a question is half an answer."

"Wonder is the beginning of all philosophy."

"Wisdom requires choosing between what is right and what is easy."

"True wisdom comes to each of us when we realize how little we have to learn."

"To be as good as our fathers we must be better."