"When you recognize that pain — and response to pain — is a universal thing, it helps explain so many things about others, just as it explains so much about yourself. It teaches you forbearance. It teaches you a moderation in your responses to other people’s behavior. It teaches you a sort of understanding. It essentially tells you what everybody needs. You know what everybody needs? You want to put it in a single word?
"Everybody needs to be understood.
"And out of that comes every form of love.
"If someone truly feels that you understand them, an awful lot of neurotic behavior just disappears — disappears on your part, disappears on their part. So if you’re talking about what motivates this world to continue existing as a community, you’ve got to talk about love… And my argument is it comes out of your biology because on some level we understand all of this. We put it into religious forms. It’s almost like an excuse to deny our biology. We put it into pithy, sententious aphorisms, but it’s really coming out of our deepest physiological nature."