最好的书是那些挑战你的书。
The best books are the ones that challenge you.
There'll always be serendipity involved in discovery.
Don't push me cause I'm close to the edge, I'm trying not to lose my head.
我疯了，我疯了。这就是我的思维方式。
知识的最大敌人不是无知，而是知识的幻觉。
他在主张杠杆原理时所说。