Challenges are what make life interesting; overcoming them is what makes life meaningful.
最好的尚未到来。
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。
Survival can be summed up in three words – never give up. That’s the heart of it really. Just keep trying.
没有所谓的 "准时 "之说。你要么迟到，要么提前。你选。