In fact the whole passion ordinarily termed love (and heaven help me if I can think of any other term to apply to it) is of such exceeding triviality that I see nothing that I think comparable with it.

Memory is the treasury and guardian of all things.

Learning is a kind of natural food for the mind.

Friends, though absent, are still present.

Let every man practise the trade which he best understands.

The enemy is within the gates; it is with our own luxury, our own folly, our own criminality that we have to contend.

It is virtue, virtue, which both creates and preserves friendship. On it depends harmony of interest, permanence, fidelity.