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.

The young fancy that their follies are mistaken by the old for happiness. The old fancy that their gravity is mistaken by the young for wisdom.

Self-love, in a well-regulated breast, is as the steward of the household, superintending the expenditure, and seeing that benevolence herself should be prudential, in order to be permanent, by providing that the reservoir which feeds should also be fed.

Make no enemies; he is insignificant indeed that can do thee no harm.

Mathematicians have sought knowledge in figures, Philosophers in systems, Logicians in subtleties, and Metaphysicians in sounds. It is not in any nor in all of these. He that studies only men, will get the body of knowledge without the soul, and he that studies only books, the soul without the body.

A harmless hilarity and a buoyant cheerfulness are not infrequent concomitants of genius; and we are never more deceived than when we mistake gravity for greatness, solemnity for science, and pomposity for erudition.

We cannot think too highly of our nature, nor too humbly of ourselves.