A company's biggest cost is the opportunity cost of slow decisions.
Letters are the biographer's gold mine; they reveal what official records conceal.
A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
一个好的系统设计是使做正确的事情变得容易，做错误的事情变得困难。
A vida é um constante aprendizado.
