The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.

Every discovery we make brings us one step closer to understanding the fundamental laws of the universe.

Lisp值得学习，因为当你最终掌握它时，你将获得深刻的启蒙体验；这种体验将使你在余下的日子里成为一个更好的程序员，即使你从未真正大量使用Lisp本身。

The universe is full of mysteries, and that’s what keeps scientists motivated.

Every ton of coal we extract carries equal weight in responsibility.

创新不仅仅是关于新产品；而是重新思考我们如何做每件事。