"The greatest wealth is to live content with little."

"The ignorance of one who thinks he knows what he does not know, is the cause of all errors."

"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."

"The beginning is the most important part of the work."

"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."