在科学中，重要的不是获得新的事实，而是发现思考它们的新方法。
Every life leaves behind a trail of evidence; the biographer is the detective who follows it.
无限小在自然中的作用是无限大的。
The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.
Sometimes the most ordinary things can be made extraordinary.
The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
"Writing is a way of talking without being interrupted."