Music is part of us, and either ennobles or degrades our behavior.

If there is anything good about nobility it is that it enforces the necessity of avoiding degeneracy.

In other living creatures the ignorance of themselves is nature, but in men it is a vice.

Nothing is miserable but what is thought so, and contrariwise, every estate is happy if he that bears it be content.

Nothing is miserable unless you think it so.

Whose happiness is so firmly established that he has no quarrel from any side with his estate of life?

If there is a God, whence proceed so many evils? If there is no God, whence cometh any good?