Joy is the reward, really, of seeking to give joy to others. When you show compassion, when you show caring, when you show love to others, do things for others, in a wonderful way you have a deep joy that you can get in no other way. You can’t buy it with money. You can be the richest person on Earth, but if you care only about yourself, I can bet my bottom dollar you will not be happy and joyful. But when you are caring, compassionate, more concerned about the welfare of others than about your own, wonderfully, wonderfully, you suddenly feel a warm glow in your heart, because you have, in fact, wiped the tears from the eyes of another.

I have found that the greatest degree of inner tranquility comes from the development of love and compassion. The more we care for the happiness of others, the greater is our own sense of well-being. Cultivating a close, warmhearted feeling for others automatically puts the mind at ease. It is the ultimate source of success in life.

There are four independent brain circuits that influence our lasting well-being, Davidson explained. The first is “our ability to maintain positive states.” It makes sense that the ability to maintain positive states or positive emotions would directly impact one’s ability to experience happiness. These two great spiritual leaders were saying that the fastest way to this state is to start with love and compassion. The second circuit is responsible for “our ability to recover from negative states.” What was most fascinating to me was that these circuits were totally independent. One could be good at maintaining positive states but easily fall into an abyss of a negative state from which one had a hard time recovering. That explained a lot in my life. The third circuit, also independent but essential to the others, is “our ability to focus and avoid mind-wandering.” This of course was the circuit that so much of meditation exists to develop. Whether it was focusing on one’s breath, or a mantra, or the analytic meditation that the Dalai Lama did each morning, this ability to focus one’s attention was fundamental. The fourth and final circuit is “our ability to be generous.” That was amazing to me: that we had an entire brain circuit, one of four, devoted to generosity. It is no wonder that our brains feel so good when we help others or are helped by others, or even witness others being helped, which Ekman had described as the elevation that is one dimension of joy. There was strong and compelling research that we come factory equipped for cooperation, compassion, and generosity.