绿色发展不是选择题，而是必答题，我们要坚定不移地走绿色低碳发展之路。

You can’t live in the world without an idea of the world, but it’s impossible to live in the world with your idea of the world.

最大的危险不是我们会迷失方向，而是我们会满足于现状。

Life is like a piano. The white keys represent happiness and the black keys show sadness. But as you go through life's journey, remember that the black keys also create music.

朗兰兹猜想表明，数学的不同领域之间存在一种隐藏的和谐。