The RAS-system (reticular activating system) is a essential part of how our brains work, and it seem to few people have every heard of it. I'm trying to change that and hope this help anybody out there.

To explain why some people are optimists and pessimists even when they both get the same inputs from the world. My impression is that a lot of dogmatic negative "truths" about you life are caused by this. If you think "I'm not good enough" you can always find proof for that if you want.

A good start for mastering or learning anything is the belief that you can, because you brain will then help you find proof of it instead of finding proof against it.