扩展的艺术概念是必要的。

译文：拥有的时候，常常要想到没有的日子，不要等到没有的日子，才想起拥有的日子。赏析：不管做任何事，人都要有居安思危，防患于未然的意识。

The artist is the confidant of nature, flowers carry on dialogues with him through the graceful bending of their stems and the harmoniously tinted nuances of their blossoms.

Filmmaking is a collaborative art form; it's about bringing together the best talents to create something unique.

Physics is not just about solving problems, it's about understanding the nature of reality.

而是根据国家的具体情况，去掉那些无益于实用的东西，这就足够使国家的财利增加一倍了。