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.
If a man remembers what is right at the sign of profit, is ready to lay down his life in the face of danger, and does not forget sentiments he has repeated all his life when he has been in straitened circumstances for a long time, he may be said to be a complete man.
Isn't it a pleasure to study and practice what you have learned? Isn't it also great when friends visit from distant places? If one remains not annoyed when he is not understood by people around him, isn't he a sage?