算法的真正力量不在于它的速度或效率，而在于它揭示所解决问题隐藏结构的能力。

The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.

伤口是光进入你内心的地方。

上帝会原谅我；这是他的工作。