过去的知识与我们同在，激励我们取得新的成就。

If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.

"The quest for efficient algorithms is a journey through the landscape of mathematical possibility."

作家的任务是使不可见的变得可见。