可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。
当九月结束时叫醒我
Every forest began with a single seed, just like every great enterprise.
Leadership is about inspiring people to do things they never thought they could.
The world is full of people who have stopped listening to themselves or have listened only to their neighbors to learn what they ought to do, how they ought to behave, and what the values are that they should be living by.