Control your expenses better than your competition. This is where you can always find the competitive advantage.

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

Every cognitive act is an act of information processing.

世界就是一切事实的总和。

在数学中，你不理解事物。你只是习惯它们。

Every murder has a story. Every killer has a reason.

The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.