学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
To be human is to be incomplete, always searching.
The best way to achieve investment success is to focus on the long-term and ignore short-term noise.
挑战是伪装的机会，用勇气和创造力去迎接它们。
夜里不睡的人，白天多多少少总有什么逃避掩饰的吧。白昼解不开的结，黑夜慢慢耗。
