要真正理解宇宙,我们必须首先理解我们理解的极限。
【大意】干枯的竹子能生火,但不去钻它就不会燃烧;地下藏有泉源,但不去挖掘就流不出泉水来。
When speaking to an audience it’s better to fix your gaze on a few people than to “spray” your gaze across the room. Your eyes telegraph to others whether you really believe what you are saying.
最好的科学是用头脑和心灵完成的。