It is necessary to believe that the mixture of evil has produced the greatest possible good: otherwise the evil would not have been permitted.

Indeed in general I hold that there is nothing truer than happiness, and nothing happier and sweeter than truth.

Why is there anything at all rather than nothing whatsoever?

The present is big with the future, the future might be read in the past, the distant is expressed in the near.

I don't say that bodies like flint, which are commonly called inanimate, have perceptions and appetition; rather they have something of that sort in them, as worms are in cheese.

The world is not a machine. Everything in it is force, life, thought.

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