Some weird stuff in this article. How can he have a teaching empire if he only makes 4M a year? Anyway, good for him. Meanwhile there are people putting tons of

Some weird stuff in this article. How can he have a teaching empire if he only makes 4M a year? Anyway, good for him. Meanwhile there are people putting tons of content on the internet, for free. Youtube channels, Khan Academy. If you really want to learn you only need to put aside some quiet time.