Jealousy is in a manner just and reasonable, as it tends to preserve a good which belongs, or which we believe belongs to us, on the other hand envy is a fury which cannot endure the happiness of others.
Francois de La RochefoucauldThe grace of novelty and the length of habit, though so very opposite to one another, yet agree in this, that they both alike keepus from discovering the faults of our friends.
Francois de La Rochefoucauld