Find something that’s even more liberating than a good mood: the ability not to be a slave to the ups and downs of your moods. That’s a state of mind that’s really worth cultivating.
"When other people do good, you can see it as a sign that there are people in this world who do good. You get some energy from that. Otherwise, if all you can see are other people’s drawbacks, your own goodness gets stale and shriveled. You have to see their good points as well. When you can notice them, that’s energy for you. Don’t be jealous of them. They’ve got some good — sometimes they’ve got some good better than you have. Well, here’s your chance to see a good example. When other people act in ways that are really bad, you can remind yourself, “Okay, this is what bad actions look like from outside. Maybe I’ve got some actions just like that.” So regardless of what other people do, you’ve got to learn how to think in ways that help liberate your mind from being a slave to their actions or making your moods depend on their actions. You have to learn how to develop the right mood to practice, to energize yourself to practice, so you need for your motivation to come from within...