成功是个糟糕的老师。它让聪明人认为他们不能失败。
数学的乐趣在于努力理解的过程。
制度的重要性有时比我们承认的要大。
The most dangerous phrase in business is: "We've always done it this way."
成功的最好方式是经常失败。
Take time every day to do something for yourself.