Jonathan Haidt — American Psychologist born on October 19, 1963,

Jonathan David Haidt is a social psychologist and Professor of Ethical Leadership at New York University’s Stern School of Business. His academic specialization is the psychology of morality and the moral emotions. Haidt is the author of two books: The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom and The Righteous Mind: Why Good People are Divided by Politics and Religion, which became a New York Times bestseller. He was named one of the “top global thinkers” by Foreign Policy Magazine, and one of the “top world thinkers” by Prospect magazine... (wikipedia)

Morality binds people into groups. It gives us tribalism, it gives us genocide, war, and politics. But it also gives us heroism, altruism, and sainthood.
When you hear someone criticize a policy on the other side, that's fine. But when you start hearing motive-mongering and demonization, stand up to it just as you would if it were something that was racist or sexist. If we avoid the demonization, disagreements can be positive.
The most powerful force ever known on this planet is human cooperation - a force for construction and destruction.
It really is a fact that liberals are much higher than conservatives on a major personality trait called 'openness to experience.' People who are high on openness to experience just crave novelty, variety, diversity, new ideas, travel. People low on it like things that are familiar, that are safe and dependable.
I think Republicans need to take income inequality more seriously. Not because I favor equality of outcomes. I do not. I think the Right is correct to stress merit and earned rewards, not handouts and forced equality. But I think what Republicans are blind to is that power corrupts.