过去不是为了生活其中；它是一个结论的源泉，我们从中汲取以行动。

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.

The most important thing in a software system is the architecture.

做出伟大工作的唯一方法就是热爱你所做的事。