Letters are the biographer's gold mine; they reveal what official records conceal.

地质学不会妥协，我们的标准也不应该妥协。

我不是一个喜欢标准的人。

Traveling is for me a source of rejuvenating vitality.

The most prominent single element in modern scientific management is the task idea. The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.

The only real power is the power of love.

The laws of physics produce complexity, and complexity leads to consciousness.

我相信书籍有改变生活的力量。