生活中唯一的限制是你给自己设定的。
在商业中，就像在生活中一样，你必须愿意适应才能生存。
The Langlands program is a challenge to the boundaries of mathematical knowledge.
The most dangerous thought you can have as a creative person is to think you know what you're doing.
The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.