When it comes to brains, size matters. It's not all that matters, of course. Whales and dolphins have brains that are larger than humans', but few of the flippered and fluked set win tenure at Stanford. Our brains are the largest in proportion to body size, and they're also highly sophisticated.

The fundamental concept in social science is Power, in the same sense in which Energy is the fundamental concept in physics.

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice.

The senses are of the earth, the reason stands apart from them in contemplation.

Action is no less necessary than thought to the instinctive tendencies of the human frame.