When you can have goodwill (mettā) for all beings, it becomes really hard for you to do anything unskillful because you don’t want to harm anybody.
"Think about how you’d like a happiness that doesn’t harm anybody, partly because you feel empathy with other beings and partly because you realize that if your happiness depended on other people’s suffering, it wouldn’t last. They would do what they could to destroy it. So you want a happiness that doesn’t impose on people. And because this is a happiness that depends on your own inner resources, you find that your true happiness doesn’t conflict with anyone else’s true happiness. So you wish them goodwill [mettā] . May they be happy too. May they understand the causes for true happiness. Now, as you do this, you may find that part of your mind says, “Well, there are certain people I would rather see suffer first for one reason or another.” So again, think of it as a committee meeting. You’re sitting down and you say, “Okay, exactly why? What would you gain from that person’s suffering?” As we all know, most people do evil because they’re feeling threatened, they’re feeling mis...