You can't go back and change the beginning, but you can start where you are and change the ending.

The most important property of a program is whether it accomplishes the intention of its user.

在科学中，荣誉归于说服世界的人，而不是第一个想到这个想法的人。

One never notices what has been done; one can only see what remains to be done.

真相总是令人兴奋的。那么就说出来吧。没有它，生活是乏味的。