What we cannot think we cannot think, therefore we also cannot say what we cannot think.

Logic must no more admit a unicorn than zoology can.

The Christian view that all intercourse outside marriage is immoral was, as we see in the above passages from St. Paul, based upon the view that all sexual intercourse, even within marriage, is regrettable. A view of this sort, which goes against biological facts, can only be regarded by sane people as a morbid aberration. The fact that it is embedded in Christian ethics has made Christianity throughout its whole history a force tending towards mental disorders and unwholesome views of life.

The purpose of education is to teach a defense against eloquence.

Religion may in most of its forms be defined as the belief that the gods are on the side of the government.

Altogether it will be found that a quiet life is characteristic of great men, and that their pleasures have not been of the sort that would look exciting to the outward eye.

The search for something permanent is one of the deepest of the instincts leading men to philosophy.