There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.
不存在所谓的质量问题。只有问题，而这些问题的解决方案可能涉及质量考虑。
【译文】力气单薄就不要去背负重物，说话没分量就不要规劝别人。没有钱就不要到人群中去，遇到危难千万别去求亲戚。
The art of competing, I’d learned from track, was the art of forgetting, and I now reminded myself of that fact. You must forget your limits. You must forget your doubts, your pain, your past.
You have to be passionate about what you do; otherwise, you will never excel.
Democracy is the worst form of government except all those other forms that have been tried from time to time.
城市的穷人就像树的根；看不见，但对它的生命至关重要。
I don't want to be a role model. I want to be a reference.