In the many forms of government which have sprung up there has always been an acknowledgement of justice and proportionate equality, although mankind fail in attaining them, as indeed I have already explained. Democracy, for example, arises out of the notion that those who are equal in any respect are equal in all respects; because men are equally free, they claim to be absolutely equal.

Selfishness doesn't consist in a love to yourself, but in a big degree of such love.

Excellence is an art won by training and habituation.

Life cannot be lived, and understood, simultaneously.

...happiness is an activity and a complete utilization of virtue, not conditionally but absolutely.

No science ever defends its first principles.

We are what we continually do.