i recommend first than 3Blue1Brown and this classes try to take a zoom into C.Lay book... that visión can understand much better this video####[['3Blue1Brown', 'Course_General_Feedback', 'POS'], ['C.Lay book', 'Other', 'NEU'], ['video', 'Course_General_Feedback', 'NEU'], ['this classes', 'Course_General_Feedback', 'NEU']]