In civilized society we all depend upon each other, and our happiness is very much owing to the good opinion of mankind.

Pain and disease awaken us to convictions which are necessary to our moral condition.

I will be conquered; I will not capitulate.

Silence propagates itself, and the longer talk has been suspended, the more difficult it is to find anything to say.

Solitude is dangerous to reason, without being favourable to virtue. Remember that the solitary mortal is certainly luxurious, probably superstitious, and possibly mad.

The chief art of learning, as Locke has observed, is to attempt but little at a time. The widest excursions of the mind are made by short flights frequently repeated; the most lofty fabrics of science are formed by the continued accumulation of single propositions.

No weakness of the human mind has more frequently incurred animadversion, than the negligence with which men overlook their own faults, however flagrant, and the easiness with which they pardon them, however frequently repeated.