理解人类认知的关键在于理解符号是如何被操作的。
The computer is incredibly fast, accurate, and stupid. Man is unbelievably slow, inaccurate, and brilliant. The marriage of the two is a force beyond calculation.
If I waited for perfection, I would never write a word.
I am the only person in the world I should like to know thoroughly; but I don’t see any chance of it just at present.