Pure beauty. I just finished this course just for the joy of very nicely explained mathematics. Thank you very much prof. Auroux and MIT. God bless you.####[['course', 'Course_General_Feedback', 'POS'], ['prof. Auroux', 'Instructor', 'POS'], ['MIT', 'Other', 'POS'], ['mathematics', 'Mathematical_Related_Concept', 'POS']]