Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
The difference between a good business and a bad business is that good businesses throw up one easy decision after another. The bad businesses throw up painful decisions time after time.
爱就是失去自我。
物理学的美丽在于它能够用简单的原理描述复杂的事物。
The past is never dead. It's not even past.
"We are all in the gutter, but some of us are looking at the stars."