Read classics

If I’m going to spend time learning something, I want it to be as timeless as possible.**

Taking Note: How Note-taking Improves Reading—An Interview with Shane Parrish – Evernote Blog

If you want to learn something that’s been proven useful, that’s been tested for dozens of years classic books are best source of knowledge.

Some list of classic books to pick from:

The 100 greatest novels of all time: The list

[The 100 greatest non-fiction books] (https://www.theguardian.com/books/2011/jun/14/100-greatest-non-fiction-books)

Best Classic Literature Ever

The Greatest Nonfiction Books