So many. Top of mind: without data and given the choice between your opinion and mine, I’ll take mine; show me the data. On worrying: if you can do something

So many. Top of mind: without data and given the choice between your opinion and mine, I’ll take mine; show me the data. On worrying: if you can do something about it, do so and don’t worry. If you can’t, don’t, and don’t worry. World outlook: Happiness is a choice.