在贝鲁特的迷宫中，我们既找到了过去，也找到了未来。

心理学的研究就是研究生活中的行动。

The organism learns not only what to do but also what leads to what.

"Sometimes you have to be apart from people you love, but that doesn't make you love them any less. Sometimes you love them more."

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

We are all afraid—for our confidence, for the future, for the world.

计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。

Be scrupulously truthful, even when truth is inconvenient, for it is more inconvenient when you try to conceal it.

做出伟大工作的唯一方法是热爱你所做的事情。