世界上最美好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.

The only way to achieve true success is to create value for others.

最有效的政策往往是最简单的。

一座伟大的建筑必须触动心灵，而不仅仅是头脑。