With the computer today, you can, for the most part, not represent every possible number that mankind can think of.

在当今世界，大多数情况下，并不是要把每个数字,都精确表示出来。

哈佛公开课 - 计算机科学课程节选

It says, with six primitives, I can rule the world. With six primitives, I can program anything.

它说，用六个基本类型，我可以规定整个世界，用六个数字，我可以编写任何程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

We are able to talk about the fact that two plus one equals three, but it's not as though we ever come across numbers-- number three itself--anywhere in the empirical world.

我们可与去探讨,二加一等于三的这个事实,但是我们不可能有一天真的碰到数字,在现实世界中碰到个叫"数字三"的东西

耶鲁公开课 - 死亡课程节选