The real difficulty lies not in devising new ideas, but in escaping from the old ones.

"The only way to do great work is to love what you do."

国家是理性的行为者，他们总是会按照自己的利益行事。

I don't stop when I'm tired. I stop when I'm done.

"The future belongs to those who believe in the beauty of their dreams."

Change the way you look at things and the things you look at change.