Every book is a journey, and every journey changes you a little.

一个好计划的最大敌人是梦想一个完美的计划。坚持好的计划。

沉默并不总是智慧的标志，但喋喋不休总是愚蠢的标志。

为了完整地展示这个图表，我确实需要一个四倍空间的屏幕。然而，由于政府支出的削减，我们只能带给一个两倍空间的屏幕。

煤炭的未来不在于产量，而在于通过技术和可持续性创造价值。

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

Innovation is seeing what everybody has seen and thinking what nobody has thought.

Quality should never be compromised, for it is the foundation of trust with our customers.