对自然的研究是永恒的乐趣。
The study of nature is a perpetual joy.
真相很少是纯粹的,也从不简单。
The process of grouping, of organization, is not arbitrary but follows definite laws.
"The little things are infinitely the most important."
每个人心中都有一道裂痕。
最重要的行动从来都不会让人感到舒适。
The truth is a weapon, and like any weapon, it can be used for good or ill.