The best way to learn mathematics is to do mathematics.
学习数学的最好方法就是做数学。
哦，我要做生活的主宰，不是奴隶。
和一个人玩一个小时对他的了解,胜过于一年的对谈
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
计算机科学中理论与实践之间的相互作用是推动该领域前进的动力。