https://pitivi.org/ (Pitivi is a Free video editor with a beautiful and intuitive user interface)
https://www.openshot.org/ (Open source video editor)
I just recently got into editing video, so I made a pact to myself that I will use those tools and learn them well & can proficiently edit video.
Also: Browse Wikipedia and hop from link to link. I'm certain Wikipedia has increased my IQ by at least one point over the years reading it. Don't feel ashamed for seeking out knowledge.