I am compelled to fear that science will be used to promote the power of dominant groups rather than to make men happy.

If you wish to be happy yourself, you must resign yourself to seeing others also happy.

Many people when they fall in love look for a little haven of refuge from the world, where they can be sure of being admired when they are not admirable, and praised when they are not praiseworthy.

I am myself a dissenter from all known religions, and I hope that every kind of religious belief will die out.

Envy, in fact, is one form of a vice, partly moral, partly intellectual, which consists in seeing things never in themselves, but only in their relations.

All the conditions of happiness are realized in the life of the man of science.

Vanity is a motive of immense potency.