I've heard of Serge Lang [0] that, when he wanted to learn something, he would write a book about it. 0. https://en.wikipedia.org/wiki/Serge_Lang https://en.wi

I've heard of Serge Lang [0] that, when he wanted to learn something, he would write a book about it. 0. https://en.wikipedia.org/wiki/Serge_Lang https://en.wikipedia.org/wiki/Serge_Lang