Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.

合作是解决世界上最紧迫问题的关键。

The most glorious moments in your life are not the so-called days of success, but rather those days when out of dejection and despair you feel rise in you a challenge to life, and the promise of future accomplishment.

创造建筑就是创造一个世界。

Coal enterprises must enhance their sense of social responsibility and achieve the unity of economic and social benefits.