算法研究不仅在于解决问题,还在于理解计算可能性的极限。
If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.
The key to success is to focus on goals, not obstacles.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.