addition and subtraction: knowledge to increase life, trouble will decline; Friendship will increase, resentment to decrease; A heart to heart to decrease, increasing; Increasing confidence to promise to decrease,; ） to increase quantity to jealousy, diminishing. Steps to increase to decrease, alcohol and tobacco. 生活加减法：知识要递增，烦恼要递减；友情要递增，怨恨要递减；善心要递增，灰心要递减；自信要递增，失信要递减；肚量要递增，妒量要递减。脚步要递增，烟酒要递减。