当你点燃蜡烛时，你也投下了阴影。
When you light a candle, you also cast a shadow.
The meaning of life is meaning.
Nature is a book, and each species is a chapter, each species is a story.
远水救火是难办到的，再好的亲戚也不如近处的邻居。
The man in the planning room, whose specialty under scientific management is planning ahead, invariably finds that the work can be done better and more economically by a subdivision of the labor.
在一个真正属于孩子的地方，孩子会尽力去注意自己的举止，控制自己的行为。