教育的开端是最重要的部分，因为在幼年时期，性格正在形成，我们所接受的影响会留下不可磨灭的印记。

I'm the narrator, and this is my life.

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.

Faith is the substance of things hoped for, the evidence of things not seen.

The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.