"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

自然科学是人类文化的一部分，它与艺术或宗教一样具有人性。

Efficiency in extraction is meaningless if we don't consider the long-term impact.

聪明的人心里明白而言语不必太多。

世界上充满了自童年以来从未以开放的心态面对开放之门的人。