Esteban wanted to live and work in New Zealand. But he needed to improve his English. He asked himself: “How should I study?” Then he discovered Charlie Munger's idea of "inversion thinking.” With inversion, you think about what not to do. Then you do the opposite. Esteban decided to use inversion for learning English.

First, Esteban made a list. He answered this question: “What should I do If I want to fail at learning English?” Here are his answers.

Don’t have a theory about how to...