"A man's memory might have only a hundred clear days in it and he has lived thousands."

阅读的艺术在很大程度上是从书中与生活的相遇中获得更好的理解。

采矿技术的创新对于满足世界的能源需求至关重要。

Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.