Mathematics is the art of giving the same name to different things.

恐惧只是我们对自己讲的故事。

质量从来不是偶然的；它始终是智慧努力的结果。

Sustainable agriculture is not a slogan but a responsibility—we must preserve green mountains and clear waters for future generations.

每一次失败都是通往成功的垫脚石，只要我们从中学习。