Psychology should illuminate how we cope with our environment.
People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed; never throw out anyone.  
世界上充满了显而易见的事物,却没有人注意到它们。
所以英明的君主治理国家,明确奖赏民众就会努力立功,严厉刑罚民众就会遵守法律。