停在港口的船是安全的，但那不是造船的目的。

滚动的弹丸，掉落到凹陷之处，便不再滚动了；流传的谣言，到智慧的人那里，便不再流传了。

"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."

The secret to living is giving.

记忆是一座迷宫，有时我们会迷失其中，但也是我们找到自己的地方。