The waterfall sing,"I find my song,when I find my freedom."

让生活从此变成一首欢乐的诗。

There is no necessary connection between law and morality.

The companies that thrive will be those that turn environmental challenges into business opportunities.

用心不能杂乱，杂乱则心神恍惚不能集中；用心不要劳累，劳累则精神疲倦不能有所收获。