定理是永恒的;它们的证明是短暂的。
【释义】国家的匡正辅佐,必须依靠忠诚贤良的人,任用人才得当,天下自然就能治理好。
Every discovery we make brings us one step closer to understanding the fundamental laws of the universe.
当你看起来最轻松时,往往是你最担忧的时候。
The balance between economy and ecology is the core of modern forestry.