Music is the pleasure the human mind experiences from counting without being aware that it is counting.

If we were magically shrunk and put into someone's brain while she was thinking, we would see all the pumps, pistons, gears and levers working away and we would be able to describe the workings completely, in mechanical terms, thereby completely describing the thought processes of the brain. But that description would not contain any mention of thought! It would contain nothing but descriptions of pumps, pistons, levers!

Nothing is necessitated whose opposite is possible.

God's relation to spirits is not like that of a craftsman to his work, but also like that of a prince to his subjects.

The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic.

Every present state of a simple substance is the natural consequence of its preceding state, in such a way that its present is big with its future.

Virtue is the habit of acting according to wisdom.