学习数学的最好方法就是做数学。
The best way to learn mathematics is to do mathematics.
The right of nature...is the liberty each man hath to use his own power as he will himself for the preservation of his own nature.
My art is my rebellion against the chaos of life.
孔子说：“人无信誉，不知能干什么？就象大车没有车轴，小车没有车轴，怎么能启动？”
悲伤是我们为爱付出的代价。
In the end, we only regret the chances we didn't take.
对现实的探求始于我们承认自己的无知。