Plato

“How can you prove whether at this moment we are sleeping, and all our thoughts are a dream; or whether we are awake, and talking to one another in the waking state?”

“They certainly give very strange names to diseases.”

“Science is nothing but perception.”

“In practice people who study philosophy too long become very odd birds, not to say thoroughly vicious; while even those who are the best of them are reduced by...[philosophy] to complete uselessness as members of society.”

“Piety, then, is that which is dear to the gods, and impiety is that which is not dear to them.”

“Virtue is relative to the actions and ages of each of us in all that we do.”

“Knowledge without justice ought to be called cunning rather than wisdom.”

“I am speaking like a book, but I believe that what I am saying is true.”

“The author's Socrates admonishes paramount awareness human limitations. If we do good to those we evaluate as good and evil to those we evaluate at the evil, and we are wrong, we have been made the world less just.”

“Light is the shadow of god”

“Can I by justice or by crooked ways of deceit ascend a loftier tower which may he a fortress to me all my days? For what men say is that, if I am really just and am not also thought just profit there is none, but the pain and loss on the other hand are unmistakable. But if, though unjust, I acquire the reputation of justice, a heavenly life is promised to me. Since then, as philosophers prove, appearance tyrannizes over truth and is lord of happiness, to appearance I must devote myself.”

“So when a man surrenders to the sound of music and lets its sweet, soft, mournful strains, which we have just described, be funnelled into his soul through his ears, and gives up all his time to the glamorous moanings of song, the effect at first on his energy and initiative of mind, if he has any, is to soften it as iron is softened in a furnace, and made workable instead of hard and unworkable: but if he persists and does not break the enchantment, the next stage is that it melts and runs, till the spirit has quite run out of him and his mental sinews (if I may so put it) are cut, and he has become what Homer calls "a feeble fighter".”

“The reason is that they utter these words of theirs not by virtue of a skill, but by a divine power - otherwise, if they knew how to speak well on one topic thanks to a skill, they would know how to speak about every other topic too.”

“At the touch of love everyone becomes a poet.”

“Education is teaching our children to desire the right things.”

“He who is not a good servant will not be a good master.”

“Be kind, because everyone is having a really hard time.”

“The good is the beautiful.”

“The community which has neither poverty nor riches will always have the noblest principles.”

“What is honored in a culture gets cultivated there.”