science is a smorgasbord, and google will guide you to the study that's right for you.

And it’s not just that ‘we all need somebody to lean on’; recent work on giving support shows that caring for others is often more beneficial than is receiving help. . . . We need the give and the take, we need to belong. An ideology of extreme personal freedom can be dangerous because it encourages people to leave homes, jobs, cities and marriages in search of personal and professional fulfillment, thereby breaking the relationships that were probably their best hope for such fulfillment.

Intuitions come first, strategic reasoning second.

Reciprocity is a deep instinct; it is the basic currency of social life.

Religion and science, for example, are often though to be opponents, but as I have shown, the insights of ancient religions and of modern science are both needed to reach a full understanding of human nature and the conditions of human satisfaction. The ancients may have known little about biology, chemistry, physics, but many were good psychologists.

It only takes twenty generations of selective breeding to create large differences or appearance and behavior in other mammals.

Psychotherapy can help some people, especially people who are neurotic, who are always making problems for themselves. We are like a rider on an elephant. We can steer the elephant, and if he's not busy, he'll go where we want, but if he has other desires, he'll go where he wants. They need to get a better relationship between the rider and the elephant. In part, you get it just from watching yourself stumble around in life, make mistakes, then read a little psychology and stop blaming yourself. Realize that I am flawed. I am complicated. I am divided, and I'm doing the best I can.