DNA的双螺旋结构是所有科学中最美丽和优雅的结构之一。

Envy is a really stupid sin because it’s the only one you could never possibly have any fun at. There’s a lot of pain and no fun. Why would you want to get on that trolley?

计算学习理论中的挑战在于理解学习算法的能力和局限性。

It is silly not to hope, he thought.

Quality is never an accident; it is always the result of intelligent effort.