There are 80,000 prostitutes in London alone and what are they, if not bloody sacrifices on the altar of monogamy?

The assumption that animals are without rights, and the illusion that our treatment of them has no moral significance, is a positively outrageous example of Western crudity and barbarity. Universal compassion is the only guarantee of morality.

No doubt, when modesty was made a virtue, it was a very advantageous thing for the fools, for everybody is expected to speak of himself as if he were one.

Almost all of our sorrows spring out of our relations with other people.

Whether we are in a pleasant or a painful state depends, finally, upon the kind of matter that pervades and engrosses our consciousness and what we compare it to - better and we envious and sad, worse and we feel grateful and happy.

Anyone can squash a bug but all professors of this world couldn't build one.

To use many words to communicate few thoughts is everywhere the unmistakable sign of mediocrity. To gather much thought into few words stamps the man of genius.