失败是一种选择。如果事情没有失败，说明你的创新还不够。
Failure is an option here. If things are not failing, you are not innovating enough.
过去并非固定不变，它会随着我们的重述而改变。
"The key to success is to focus on long-term value creation rather than short-term profits."
学习数学的最好方法就是做数学。