寡欲故静,有主则虚。
欲念少就能心平气和,心中有主见才能虚心接纳。
以这样奢侈的国君,去统治那些爱好奢侈的臣民,想要国家不动乱,是不可能的。 
历史学家必须怀有一种信念:人类不会也不能灭亡。
When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.