过去是一个跟随我们的影子，无论我们跑得多快。

To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.

The only thing we have to fear is fear itself.

To follow by faith alone is to follow blindly.

Nothing is funnier than unhappiness.

即使在最黑暗的时刻，只要记得点亮灯，就能找到幸福。