停止表现得好像生活是一场彩排。把今天当作你生命的最后一天来活。过去已经结束。未来并不保证。

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

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.

历代君王都很重视诚信，诚信是凝聚人心的纽带。

学习的最佳方式是教授。

大自然希望儿童在成人以前就要像儿童的样子。