Never underestimate the power of small improvements—they compound over time.

The dead are not dead. They are alive in memory.

科学不仅仅是事实的集合；它是一种思考方式。

唯一能带给你幸福的是你自己。

The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

贝尔不等式的实验违反表明，自然界无法用任何局域实在论理论来描述。