Nine-tenths of the activities of a modern Government are harmful; therefore the worse they are performed, the better.

Curious learning not only makes unpleasant things less unpleasant but also makes pleasant things more pleasant.

The people who are regarded as moral luminaries are those who forego ordinary pleasures themselves and find compensation in interfering with the pleasures of others.

The very best proof that something can be done is that someone has already done it.

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

A good man will never suspect his friends of shady actions: this is part of his goodness. A good man will never be suspected by the public of using his goodness to screen villains: this is part of his utility

Clergymen almost necessarily fail in two ways as teachers of morals. They condemn acts which do no harm and they condone acts which do great harm.