老脑筋就像老马；如果你想保持它们的工作状态，就必须锻炼它们。
La imaginación es el arma más poderosa contra la realidad.
The power of computation is not just in solving problems, but in the elegance and efficiency with which it does so.
If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?
