Lastly I've been following the videos on youtube about physicist Richard Feynman, he is a real genius of his era and still a hero for me.
And I found athe best video by Thomas Frank, youtuber, about Feyman and I want to share with you.
If you want to cut your study time, using the Feynman Technique is a great way to do it. Named after the physicist Richard Feynman, it revolves around explaining a concept in simple language as if you were teaching it to someone else.
source - Thomas Frank