There is no real ending. It’s just the place where you stop the story.
A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.
一个好的抽象是强调重要细节并抑制不重要细节的抽象。
If you love life, don’t waste time, for time is what life is made up of.
When we speak of 'meaning' a word, we are in the first instance speaking of a certain kind of act.
We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.