最好的设计源于理解使用者的需求。
The best designs come from understanding the needs of the people who will use them.
Why is it that when one man builds a wall, the next man immediately needs to know what's on the other side?
成为作家意味着接受你将永远与自己的思想独处。
当且仅当所有投资者都持有均值-方差有效的投资组合时，市场组合才是有效的。
想象力比知识更重要。知识是有限的。想象力环绕着世界。
The world is a beautiful book, but of little use to him who cannot read it.