醫(yī)生對待病患的例子
不去嘗試辦不到的事情,?不去追求得不到的東西,?不居于不能持久的地位,?不推行不可重復的政策。
The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.
The history of men is the history of their crimes.
可持續(xù)性不是一種趨勢,而是我們對后代的責任。