They have taken the care and upbringing of children out of the hands of parents, where it belongs, and thrown it upon a gang of irresponsible and unintelligent quacks.

Evangelical Christianity, as everyone knows, is founded upon hate, as the Christianity of Christ was founded upon love.

The public, with its mob yearning to be instructed, edified and pulled by the nose, demands certainties; it must be told definitely and a bit raucously that this is true and that is false. But there are no certainties.

The essence of self-fulfillment and autonomous culture is an unshakable egotism.

There are two kinds of Europeans: The smart ones, and those who stayed behind.

I believe that no discovery of fact, however trivial, can be wholly useless to the race, and that no trumpeting of falsehood, however virtuous in intent, can be anything but vicious.

What restrains us from killing is partly fear of punishment, partly moral scruple, and partly what may be described as a sense of humor