自然规律是亘古不变的，不会因尧的仁德而存在，不会因桀的暴虐而消亡。

If you want something you've never had, you must be willing to do something you've never done.

Every discovery in science is built upon the work of countless others before us.

The great tragedy of life is not that men perish, but that they cease to love.

Sometimes the simplest things are the most powerful.

我们不能总是为我们的青年建造未来，但我们可以为未来建造我们的青年。