Every advance in civilization has been denounced as unnatural while it was recent

It is clear that thought is not free if the profession of certain opinions makes it impossible to earn a living.

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

Patience and boredom are closely related. Boredom, a certain kind of boredom, is really impatience. You don't like the way things are, they aren't interesting enough for you, so you deccide- and boredom is a decision-that you are bored.

God and Satan alike are essentially human figures, the one a projection of ourselves, the other of our enemies.

There are two ways of avoiding fear: one is by persuading ourselves that we are immune from disaster, and the other is by the practice of sheer courage. The latter is difficult, and to everybody becomes impossible at a certain point. The former has therefore always been more popular. Primitive magic has the purpose of securing safety, either by injuring enemies, or by protecting oneself by talismans, spells, or incantations.

If a man is offered a fact which goes against his instincts, he will scrutinize it closely, and unless the evidence is overwhelming, he will refuse to believe it. If, on the other hand, he is offered something which affords a reason for acting in accordance to his instincts, he will accept it even on the slightest evidence. The origin of myths is explained in this way.