To judge length, you must learn a benchmark to compare with. So too with the strength of evidence, but few know its ruler, probability.

A food sickens you in an hour, you know. In a week, you need notes. In a year, you need a study. Important things often go unnoticed.

Information diet is as important as food diet. Seek sources that teach new things, avoid sources that eat your time but give nothing back.

Learn how minds work, and how they make mistakes. You can't call a tow if your mind breaks down.

Don't guess, use numbers. Learn how to turn likelihood, strength of evidence, and goodness into numbers, so you can guess less.