As Will Rogers would have said, "There is no such thing as a free variable."
正如威尔·罗杰斯（WillRogers）所说，“没有自由变量之类的东西。”
We are all faced with a series of great opportunities brilliantly disguised as impossible situations.
If the highest aim of a captain were to preserve his ship， he would keep it in port forever.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
