The theoretical understanding of the world, which is the aim of philosophy, is not a matter of great practical importance to animals, or to savages, … - Bertrand Russell

To like many people spontaneously and without effort is perhaps the greatest of all sources of personal happiness.

I say people who feel they must have a faith or religion in order to face life are showing a kind of cowardice, which in any other sphere would be considered contemptible. But when it is in the religious sphere it is thought admirable, and I cannot admire cowardice whatever sphere it is in.

An individual may perceive a way of life, or a method of social organisation, by which more of the desires of mankind could be satisfied than under the existing method. If he perceives truly, and can persuade men to adopt his reform, he is justified. Without rebellion, mankind would stagnate, and injustice would be irremediable.