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

"The general principle of the state, that of justice, is for everyone to do their own business and not to be a busybody."

"Musical innovation is full of danger to the State, for when modes of music change, the fundamental laws of the State always change with them."

"No one is more hated than he who speaks the truth."

"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."