For things remain possible, even if God does not choose them. Indeed, even if God does not will something to exist, it is possible for it to exist, since, by its nature, it could exist if God were to will it to exist.

Nihil est sine ratione. There is nothing without a reason.

He who understands Archimedes and Apollonius will admire less the achievements of the foremost men of later times.

There never is absolute birth nor complete death, in the strict sense, consisting in the separation of the soul from the body. What we call births are developments and growths, while what we call deaths are envelopments and diminutions.

If you have a clear idea of a soul, you will have a clear idea of a form; for it is of the same genus, though a different species.

The words 'Here you can find perfect peace' can be written only over the gates of a cemetery.

For since it is impossible for a created monad to have a physical influence on the inner nature of another, this is the only way in which one can be dependent on another.