Pleasure and pain, though directly opposite, are yet so contrived by nature as to be constant companions; and it is a fact that the same motions and muscles of the face are employed both in laughing and crying.

The true science and study of mankind is man.

To owe an obligation to a worthy friend is a happiness, and can be no disparagement.

Pleasure and pain, though directly opposite are contrived to be constant companions.

Riches should be admitted into our houses, but not into our hearts; we may take them into our possession, but not into our affections.

All religions are pieced together out of elements which seem so at odds with reason that any intelligence laughs at them.

Wise men mingle mirth with their cares, as a help either to forget or overcome them; but to resort to intoxication for the ease of one's mind is to cure melancholy by madness.