Plato

"Philosophy is the highest music."

"Poets utter great and wise things which they do not themselves understand."

"Ideas are the source of all things"

"He was a wise man who invented God."

"Thinking: the talking of the soul with itself."

"Do not train a child to learn by force or harshness; but direct them to it by what amuses their minds, so that you may be better able to discover with accuracy the peculiar bent of the genius of each."

"Knowledge becomes evil if the aim be not virtuous."

"At the touch of love everyone becomes a poet."

"One of the penalties of refusing to participate in politics is that you end up being governed by your inferiors."

"Calligraphy is a geometry of the soul which manifests itself physically."

"Knowledge becomes evil if the aim be not virtuous."

"Wise men talk because they have something to say; Fools, because they have to say something."

"Music is a moral law. It gives soul to the universe, wings to the mind, flight to the imagination, and charm and gaiety to life and to everything."

"The most effective kind of education is that a child should play amongst lovely things."

"The direction in which education starts a man will determine his future life"

"Only the dead have seen the end of war."

"Every heart sings a song, incomplete, until another heart whispers back. Those who wish to sing always find a song. At the touch of a lover, everyone becomes a poet."

"The price good men pay for indifference to public affairs is to be ruled by evil men."

"Wise men speak because they have something to say; fools because they have to say something."

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