A man content to go to heaven alone will never go to heaven.

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

In every kind of adversity, the bitterest part of a man's affliction is to remember that he once was happy.

So nothing is ever good or bad unless you think it so, and vice versa. All luck is good luck to the man who bears it with equanimity.

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

The science of numbers ought to be preferred as an acquisition before all others, because of its necessity and because of the great secrets and other mysteries which there are in the properties of numbers. All sciences partake of it, and it has need of none.

He who is virtuous is wise; and he who is wise is good; and he who is good is happy.