You must be respectable, if you will be respected.

Study the heart and the mind of man, and begin with your own. Meditation and reflection must lay the foundation of that knowledge, but experience and practice must, and alone can, complete it.

The scholar without good breeding is a pedant; the philosopher, a cynic.

In friendship, as well as in love, the mind is often the dupe of the heart.

I often wish for the end of the wretched remnant of my life; and that wish is a rational one; but then the innate principle of self-preservation, wisely implanted in our natures, for obvious purposes, opposes that wish, and makes us endeavour to spin out our thread as long as we can, however decayed and rotten it may be.

Ridicule is the best test of truth.

Man is more himself, man is more manlike, when joy is the fundamental thing in him, and grief the superficial.