To harm another is to harm oneself.

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

Performance of duty and observance of morality are convertible terms.

Force always attracts men of low morality.

Morality is of the highest importance-but for us, not for God.

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