计算复杂性的研究不仅仅是关于问题的分类；它是关于理解计算本身的本质。

Integrity is non-negotiable in business.

Natural laws govern everything.

自然是无情且不可改变的，它不在乎其隐藏的原因和行为是否能为人类所理解。

Following your bliss is a recipe for paralysis if you don’t know what you are passionate about. A better motto for most youth is “master something， anything”. Through mastery of one thing， you can drift towards extensions of that mastery that bring you more joy， and eventually discover where your bliss is.

图灵机和现代计算机之间有什么区别？这与希拉里（Hillary）登上珠穆朗玛峰（Everest）和在高峰期建立希尔顿酒店之间的过程相同。