哲学的任务不是提供答案，而是对问题本身提出质疑。

The problem with words is that you never know whose mouths they have been in.

Quality is never an accident; it is always the result of intelligent effort.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

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。