追求数学知识是一段永无止境的旅程，充满了无尽的好奇和惊奇。
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.
行动就是希望。
The best way to learn econometrics is by doing—working with real data and real problems.
成功的投资是建立在对基本面的深入了解和长期投资的基础上。
保持进步的唯一方法就是保持渴望。