从长远来看，经济前景是乐观的，但从长远来看，我们都死了。

Goals are not meant to be dreamed; they’re meant to be achieved.

If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.

要求对并非直接被给予的对象提供先天证明，是徒劳的。