The most powerful tool in business is a simple idea executed well.

The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.

技术是一种可以赋予人们力量的工具，但它必须考虑到包容性来设计。

The only limits that exist are the ones in your mind.

A good detective listens more than he speaks.

事情在最得意时要防乐极生悲，话说到最忘形时要防言中有失。