这个世界用许多方法告诉我们，我们无所不能，我们不再受限于阶级，而是只要靠着努力就能攀上我们想到的高度。这是个美丽的理想，出于一种生而平等的精神，我们基本上是平等的，没有任何明显的阶级存在。这造成了一个严重的问题，这个问题是嫉妒。
We're told, from many sources, that any onecan achieve anything. We've done away with the caste system, we are now in a system where anyone can rise to any position they please. And it's a beautiful idea. Along with that is a kind of spirit of equality; we're all basically equal. There are no strictly defined hierarchies. There is one really big problem with this, and that problem is envy.
写作是一门需要激情、纪律和毅力的手艺。
In the end, the goal of computer science is not just to build faster machines, but to deepen our understanding of the universe.
人类偏离自然最初赋予的状态，似乎已成为疾病的丰富源泉。
The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.