The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.
世界不是从他想象的地方运行的。不是从城堡的墙壁，而是从账房，不是由号角的呼唤，而是由算盘的点击，不是由大刀的磨擦和点击，而是由笔的刮擦。
[物理学是]一种良好的思考框架。将事物归结为他们的基本真理，然后从那里推理出来。
If we want clean air and water, we must start by protecting our forests.
The best way to survive in any situation is to be prepared for it.
我不是梦想家，我是实干家。
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
试图阻止知识前进是没有好处的。无知永远不比知识好。