一阴一阳之谓道，继之者善也，成之者性也。
阴阳交替变化就是道，继承它的是善，成就它的是性。
I don't think you should ever have to apologize for your excitement.
The only real art is the art of the soul.
The test of a psychological theory is its applicability to life.
译文：一个家族的衰败没落，多半是因为子孙们的骄傲懒惰所致；社会风气的败坏，多是因为富贵者的奢华淫靡所致。赏析：一个家族要想兴旺发达，必然有良好的家风传承，子孙门的骄奢淫逸只会让家族走向没落。