We don't just copy what others do — we copy what they want. The Joneses used to be your neighbors. Now they're a curated highlight reel from millions of people you'll never meet.

Most major life decisions are made based on imagination rather than experience. Almost every one of them has a smaller version you can test first.

Measuring success by outcomes seems reasonable. The problem is that optimizing for the metric often moves you away from what the metric was supposed to give you.

Most people have a definition of success. The question is whether they chose it — or inherited it from someone else without realizing it.