One never notices what has been done; one can only see what remains to be done.

企业家的功能是通过利用一项发明或更一般地说，通过利用一种未尝试的技术可能性来改革或彻底改变生产模式，以生产一种新商品或以新方式生产一种旧商品。

写作是一种孤独的职业，但正是这种孤独让我们能够深入探索人性的深处。

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

The customer may not always be right, but they are always the customer.