Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情，你就会成功。
U.S. energy independence doesn't mean isolation - we're still part of global markets.
生活比人类头脑所能发明的任何事物都要离奇得多。
I’m grateful for every experience, good or bad, because it shaped me.
数学是理性的音乐。