Love and work are to people what water and sunshine are to plants.

The Righteous Mind: Why Good People are Divided by Politics and Religion.

If I have a mission in life, it is to convince people that everyone is morally motivated - everyone except for psychopaths.

Love and work are crucial for human happiness because, when done well, they draw us out of ourselves and into connection with people and projects beyond ourselves. Happiness comes from getting these connections right.