Perfect as is the wing of a bird, it never could raise the bird up without resting on air. Facts are the air of science. Without them a man of science can never rise.
尽管鸟的翅膀是完美的，但如果没有空气的支撑，它永远无法将鸟托起。事实是科学的空气。没有它们，科学工作者永远无法腾飞。
The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
从做必要的事情开始；然后做可能的事情；突然间你就在做不可能的事情了。
【释义】（即使是非常容易生长的东西）暴晒它一天，冰冻它十天，也不可能生长的。劝诫人做事需有始有终、专心致志。
"The world is a dream, and the dream is a nightmare."
The future belongs to those who are willing to take calculated risks.
