The most dangerous phrase in business is 'We've always done it this way.'

In the short run, the market is a voting machine but in the long run, it is a weighing machine.

The only way to do great work is to love what you do.

The art of the past is being mystified because a privileged minority is striving to invent a history which can retrospectively justify the role of the ruling classes.

思考是最艰难的工作，这可能是为什么如此少的人从事它。

你不能只问顾客要什么，然后想法子给他们做什么。等你做出来，他们已经另有新欢了。