Just to throw in my own anecdote, I took linear algebra twice (in high school with no college credit, and in college) and I still couldn't ever remember afterwa

Just to throw in my own anecdote, I took linear algebra twice (in high school with no college credit, and in college) and I still couldn't ever remember afterwards what an eigenvector was until I watched that series. Now I'll probably never forget. He is an astonishing educator.