A Knowledge Map of mental models from a variety of fields and disciplines

Knowing a little about a lot of things in a way that relates and connects fundamental ideas is a starting point for building expertise in a specific area.

“Developing the habit of mastering the multiple models which underlie reality is the best thing you can do.” - Charlie Munger.

“It is important to view knowledge as sort of a semantic tree - make sure you understand the fundamental principles, i.e. the trunk and big branches, before you get into the leaves/details or there is nothing for them to hang onto.” - Elon Musk

“If you wish to make an apple pie from scratch, you must first invent the universe.” - Carl Sagan