Love may exist without jealousy, although this is rare: but jealousy may exist without love, and this is common; for jealousy can feed on that which is bitter no less than on that which is sweet, and is sustained by pride as often as by affection.

This world cannot explain its own difficulties without the assistance of another.

Body and mind, like man and wife, do not always agree to die together.

An act by which we make one friend and one enemy is a losing game; because revenge is a much stronger principle than gratitude

Too high an appreciation of our own talents is the chief cause why experience preaches to us all in vain.

There are two principles of established acceptance in morals; first, that self-interest is the mainspring of all of our actions, and secondly, that utility is the test of their value.

Were we as eloquent as angels we still would please people much more by listening rather than talking.