Force always attracts men of low morality.

A system of morality that is based on relative emotional values is a mere illusion, a thoroughly vulgar conception that has nothing sound in it and nothing true.

To harm another is to harm oneself.

Slavery is founded in the selfishness of man's nature - opposition to it is [in] his love of justice.

The noblest worship is to make yourself as good and as just as you can.

I hold that while man exists, it is his duty to improve not only his own condition, but to assist in ameliorating mankind; and therefore ... I am for those means which will give the greatest good to the greatest number.