当你解决一个数学问题时，你不仅得到了答案，还理解了为什么这是答案。
When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.
"The only limit to our realization of tomorrow is our doubts of today."
Mathematics is the language with which God has written the universe.
The state of your life is nothing more than a reflection of your state of mind.
The bond market is the smartest market in the world.