最大的风险是不冒任何风险。在一个变化非常快的世界里，唯一保证失败的策略就是不冒险。

The only way to keep improving is to keep pushing yourself.

想到自己可能成为从世界上消除最大灾难之一的工具，同时怀有享受独立、家庭和平与幸福的希望，这种喜悦常常如此强烈，以至于在草地上研究我喜爱的课题时，我有时会陷入一种遐想。

Science is about pushing boundaries, both in knowledge and technology.

Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."