Belief systems provide a programme which relieves the necessity of thought.

Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own.

The coward wretch whose hand and heart Can bear to torture aught below, Is ever first to quail and start From the slightest pain or equal foe.

Freedom of opinion can only exist when the government thinks itself secure.

The use of self control is like the use of brakes on train. It is useful when you find yourself in wrong direction but merely harmful when the direction is right

Moral progress has consisted in the main of protest against cruel customs, and of attempts to enlarge human sympathy.

... the whole world of loneliness, poverty, and pain make a mockery of what human life should be.