Mysticism is, in essence, little more than a certain intensity and depth of feeling in regard to what is believed about the universe.

Public opinion is always more tyrannical towards those who obviously fear it than towards those who feel indifferent to it.

The commonest objection to birth control is that it is against nature.

The thing that I should wish to obtain from money would be leisure with security.

I do not think any reasonable person can doubt that in India, China and Japan, if the knowledge of birth control existed, the birthrate would fall very rapidly

Love is something far more than desire for sexual intercourse; it is the principal means of escape from the loneliness which afflicts most men and women throughout the greater part of their lives.

Language serves not only to express thought but to make possible thoughts which could not exist without it.