I cannot but be astonished that Socrates， after having so often repeated to his fellow citizens that he did not pretend to any wisdom， but had been appointed by the gods to a mission of benevolence towards them， should have been condemned to death.

Chemistry is the silent architect of our everyday lives.

没有一个明智的飞行员会忘记使用他的清单，无论他的才能和经验有多么出色。

写作是留下遗产的一种方式。