Groups tend to be more extreme than individuals.

People just hate the idea of losing. Any loss, even a small one, is just so terrible to contemplate that they compensate by buying insurance, including totally absurd policies like air travel.

You are more likely to learn something by finding surprises in your own behavior than by hearing surprising facts about people in general.

If you care about being thought credible and intelligent, do not use complex language where simpler language will do.

People who are cognitively busy are also more likely to make selfish choices, use sexist language, and make superficial judgments in social situations.

Establish a closing ritual. Know when to stop working. Try to end each work day the same way, too. Straighten up your desk. Back up your computer. Make a list of what you need to do tomorrow.

you know you have made a theoretical advance when you can no longer reconstruct why you failed for so long to see the obvious.