创新不仅仅是创造新事物；它关乎改进已有的事物。
Innovation is not just about creating something new; it's about improving what already exists.
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
The real tragedy of the poor is that they can do nothing but wait for the rich to give them something.
Our highest endeavor must be to develop free human beings who are able of themselves to impart purpose and direction to their lives.