hmmmm ABOUT time u start making some degree of sence.
HEY when I teach , I let my students understand it for themselves. So they dont just take my word for it. I teach physics by the way, so at their level I can physically demonstrate what I teach.
But mind you some physics theories are absolute BS, but others are so obvious, it shows that we have the brain power to identify them and understand it.
I'm not telling you to ignore people's thoughts but to elaborate them and make them your own. Yes, do not listen, do not memorize it, "record it" just like history. If you find something interesting do not let it go, make notes of it or print it, because those things exist for you and are meant for you. If you let go of something important you might get lost forever.