The larger the mass of collected things, the less will be their usefulness. Therefore, one should not only strive to assemble new goods from everywhere, but one must endeavor to put in the right order those that one already possesses.

Music is a secret and unconscious mathematical problem of the soul.

Either there are no corporeal substances, and bodies are merely phenomena which are true or consistent with each other, such as a rainbow or a perfectly coherent dream, or there is in all corporeal substances something analogous to the soul.

The larger the mass of collected things, the less will be their usefulness. Therefore, one should not only strive to assemble new goods from everywhere, but one must endeavor to put in the right order those that one already possesses.

I have said more than once, that I hold space to be something purely relative, as time; an order of coexistences, as time is an order of successions.

Taking mathematics from the beginning of the world to the time when Newton lived, what he had done was much the better half.

God makes nothing without order, and everything that forms itself develops imperceptibly out of small parts.