The most important thing in communication is hearing what isn't said.

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

正是依靠观察和思考才能找到方法。所以我们必须不断挖掘和钻研。

谁知旧日情，斯人知太深。绵绵长怀恨，尽在不言中。

Be careful who you hate, it could be someone you'll have to work with someday.