成功交易的关键是知道何时买入和何时卖出。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Innovation is the eternal driving force for enterprise development; without innovation, there is no future.
Mathematics is not a spectator sport; you have to play to understand.
You are someone I will never forget.
The only way to achieve your dreams is to work hard every day.
"The more acute the experience, the less articulate its expression."
进步的艺术是在变化中保持秩序，在秩序中保持变化。
Success is not a destination, but the road that you take.