The most sustainable building is the one that is already built.

艺术是以最简单的方式表达最深刻的思想。

量子计算的挑战不仅是技术上的，也是概念上的。

Illustrations should not just decorate the text; they should expand it.

The best way to make money is to buy something and then do nothing.

要给儿童提供一个使他们得到满足的环境，必须努力了解儿童的需要。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

不和屯积钱财的人争较财富多少；不和热心仕途的人争较地位高下；不和骄傲自夸的人争较名声大小；不和年轻力壮的人争较仪容风度，不和逞强好胜的人争较胜负高低。