We must balance short-term demands with long-term sustainability.
你无法改变过去,但你可以塑造未来。
The desert teaches you the value of water, and silence teaches you the value of words.
To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
把自己的精神,培养得清净明澈;把自己的思想,澄清专一;把自己的胆识,培养得深沉敏捷;把自己的气魄,培养得坚强宏大;把自己的才干,培养得果敢决断;把自己的器量,培养得端正庄重;把自己的胸襟,培养得豁达宽容;把自己的节操,培养得严肃冷峻。
世界在变化,我们必须随之改变。