History never embraces more than a small part of reality

The principal point of cleverness is to know how to value things just as they deserve.

What men have called friendship is only a social arrangement, a mutual adjustment of interests, an interchange of services given and received; it is, in sum, simply a business from which those involved propose to derive a steady profit for their own self-love.

Preserving health by too severe a rule is a worrisome malady.

Lovers, when they are no longer in love, find it very hard to break up.

Selfishness is the grand moving principle of nine-tenths of our actions.

In friendship as well as love, ignorance very often contributes more to our happiness than knowledge.