This is the first link I found of this speech (it's called "Practical Thoughts about Practical Thought"), but its an application of combining mental models from

This is the first link I found of this speech (it's called "Practical Thoughts about Practical Thought"), but its an application of combining mental models from many disciplines from the man himself: http://mungerisms.blogspot.com/2010/04/charlie-munger-turning-2-million-into-2.html http://mungerisms.blogspot.com/2010/04/charlie-munger-turnin...