All the ruling classes of the past were fond of advocating it,and so were many so-called sages and wise men,but nobody has ever really practised it,because it is impossible in class society.

• 过去，一切统治阶级喜欢提倡这个东西，许多所谓圣人贤人也喜欢提倡这个东西，但是无论谁都没有真正实行过，因为它在阶级社会里是不可能实行的。