Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
To solve complex problems, we must first understand the systems that create them.
我们要做的是让技术服务于人，而不是人服务于技术。
Every man has two lives, and the second starts when he realizes he has just one.
To write is to make sense of the chaos.
Don't give up easily, persistence is victory.