The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

解读：区分事务可控性，对可控之事精细谋划，预防风险；对不可控之事，忧愁无用，不如乐观豁达面对，合理调配心态与精力。

The true value of oil lies in its ability to transform economies and societies.

唱歌不仅仅是唱准音符，更是传递情感和讲述故事。

阅读是一种共情的行为。