死者的交流带着超越生者语言的火舌。

Coal has powered our past, but we must be honest about its role in our future.

The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life.

Nothing is a waste of time if you use the experience wisely.

统计假设检验是一个古老的问题，但其现代处理始于内曼和皮尔逊的工作。