The mirror sees the man as beautiful, the mirror loves the man; another mirror sees the man as frightful and hates him; and it is always the same being who produces the impressions.

Certain souls may seem harsh to others, but it is just a way, beknownst only to them, of caring and feeling more deeply.

Lust is to the other passions what the nervous fluid is to life; it supports them all, lends strength to them all ambition, cruelty, avarice, revenge, are all founded on lust.

Now I beg of you to tell me whether I must love a human being simply because he exists or resembles me and whether for those reasons alone I must suddenly prefer him to myself?

The primary and most beautiful of Nature's qualities is motion, which agitates her at all times, but this motion is simply a perpetual consequence of crimes, she conserves it by means of crimes only.

The primary and most beautiful of nature's qualities is motion

All universal moral principles are idle fancies.