Compound Interest: The Eighth Wonder of the World
The Idea That Changes Everything There is a quote often attributed to Albert Einstein: “Compound interest is the eighth wonder of the world. He who understands it, earns it. He who doesn’t, pays it.” Whether Einstein actually said it or not, the idea is correct. Compound interest is quiet, invisible, and profoundly powerful — and most people underestimate it their entire lives. This page explains what compound interest is, why it matters, and why starting early is one of the most important financial decisions you can make. ...