指某些秘密或天意不能随意透露。

The true journey is not about discovering new landscapes, but about seeing with new eyes.

I think it's important to be able to have a sense of humor about life.

海洋给予我们丰饶，但它要求我们以尊重回报。

代数是人类创造的一种智力工具，用于清晰地表达世界的数量关系。