If language is not correct, then what is said is not what is meant; if what is said is not what is meant, then what must be done remains undone; if this remains undone, morals and art will deteriorate; if justice goes astray, the people will stand about in helpless confusion. Hence there must be no arbitrariness in what is said. This matters above everything.
The superior person tries to promote music as a means to the perfection of human culture. When such music prevails, and people's minds are led towards the right ideals and aspirations, we may see the appearance of a great nation.