I walk beyond town, many of these nights, to stand under the high autumnal stars, look upward and wonder. - Poul Anderson

Keep on thinking. Keep your thinking close to the ground, where it belongs. Don’t ever trade your liberty for another man’s offer to do your thinking and make your mistakes for you.

One can surrender one’s rational will to beliefs or habits as easily as to individuals, for essentially the same reasons, and with essentially the same results. Ideas have a mystery and power of their own.

I am a peaceful man, captain. I rely more on my cerebral cortex than my guns.