Instead of embarking on an endless search, I’ve taken a different approach: working backward. Instead of thinking about what I want to do and how I want to live, I start instead with what I don’t want to be doing and what failure looks like. By looking at what might go wrong with our lives, we can avoid obvious traps, creating more space for things

Inversion shows us that we don’t always need to be geniuses, nor do we need to limit its application to mathematical and scientific proofs. Simply invert, always invert, when you are stuck. If you take the results of your inversion seriously, you might make a great deal of progress on solving your problems.