爱国不是选择,而是责任。
The quality of ideas seems to play a minor role in mass movement leadership. What counts is the arrogant gesture, the complete disregard of the opinion of others, the singlehanded defiance of the world.
可持续发展不是一种选择,而是我们对后代的责任。
释义:知足常乐的人会感到快乐,没有欲望没有追求的人会感到轻松。