For the learning of every virtue there is an appropriate discipline, and for the learning of suspended judgment the best discipline is philosophy.

Morality in sexual relations, when it is free from superstition, consists essentially in respect for the other person, and unwillingness to use that person solely as a means of personal gratification, without regard to his or her desires.

If a philosophy is to bring happiness it should be inspired by kindly feelings. Marx pretended that he wanted the happiness of the proletariat; what he really wanted was the unhappiness of the bourgeois.

On the one hand, philosophy is to keep us thinking about things that we may come to know, and on the other hand to keep us modestly aware of how much that seems like knowledge isn't knowledge

When you are studying any matter or considering any philosophy, ask yourself only: what are the facts, and what is the truth that the facts bear out. Never let yourself be diverted by what you wish to believe, but look only and surely at what are the facts.

It would now be technically possible to unify the world, abolish war and poverty altogether, if men desired their own happiness more than the misery of their enemies.

All who are not lunatics are agreed about certain things : That it is better to be alive than dead, better to be adequately fed than starved, better to be free than a slave