我不是早起的人，我是夜猫子。

"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."

The profession of book writing makes horse racing seem like a solid, stable business.

"There is always one moment in childhood when the door opens and lets the future in."

The more we love our friends， the less we flatter them； it is by excusing nothing that pure love shows itself.

努力和毅力是克服任何挑战的关键。

当我们为后代规划时，我们应该记住，美德并不是世代相传的。

理论的任务不仅是了解自然是什么以及它是如何运作的，而且要尽可能接近理解为什么自然是这样的而不是其他样子的不可达到的目标。