Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.

Army’s value = loyalty,duty, respect, selfless, service, honor, integrity, personal courage .

对事实进行分类并认识它们的顺序和相对重要性是科学的功能。

凡是言论好行动，有利于上天鬼神与百姓的就做，凡是言论好行动，有害于上天鬼神与百姓的就舍弃。