"The only way to learn mathematics is to do mathematics."
学习数学的唯一方法就是做数学。
Because thought implies judgement, and because we are all paranoid enough to take judgement to be negative, it is constitutionally suspect in the bedroom.
在量子世界中，观察某物会改变它。这不是我们技术的限制，而是自然界的基本属性。
可持续性不是一种趋势，而是食品生产的未来。
我一直在不停地努力，不嘲笑、不哀叹、不嘲笑人类的行为，而是理解它们。
The first rule of quality is that it must be defined.