Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

Science is about understanding the world, and engineering is about changing it.

We're not going to run out of ammunition.

Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.

伟大的小说是拒绝被遗忘的小说。