Ulpt Which psychological principles should everyone know?

Know the common logical fallacies. This helps you avoid using them and helps you refute them when they appear (which they will... a lot...) [https://en.wikipedia.org/wiki/List\_of\_fallacies](https://en.wikipedia.org/wiki/List_of_fallacies) Also beware the negativity bias. It's used in propaganda plus algorithms use it to keep you "engaged". [https://en.wikipedia.org/wiki/Negativity\_bias](https://en.wikipedia.org/wiki/Negativity_bias)