A marriage is likely to be called happy if neither party ever expected to get much happiness out of it.

Religion is based ... mainly upon fear ... fear of the mysterious, fear of defeat, fear of death. Fear is the parent of cruelty, and therefore it is no wonder if cruelty and religion have gone hand in hand. My own view on religion is that of Lucretius. I regard it as a disease born of fear and as a source of untold misery to the human race.

Advocates of capitalism are very apt to appeal to the sacred principles of liberty, which are embodied in one maxim: The fortunate must not be restrained in the exercise of tyranny over the unfortunate.

Plato has dramatic strength ... but is quite unaware of the strength of the argument against his position ... and allows himself to be grossly unfair in arguing against it.

Descartes, the father of modern philosophy ... would never-so he assures us-have been led to construct his philosophy if he had had only one teacher, for then he would have believed what he had been told; but, finding that his professors disagreed with each other, he was forced to conclude that no existing doctrine was certain.

Half the useful work in the world consists of combating the harmful work.

Obscenity is whatever happens to shock some elderly and ignorant magistrate.