複利は人類による最大の発明だ。知っている人は複利で稼ぎ、知らない人は利息を払うCompound interest is man’s greatest invention. He who understands it, earns it. He who doesn’t pays it.　アルバート・アインシュタイン

 

The Rule of 72

This rule states that money will double in value every 7.2 years. For example, if you leave your money in an account until you retire, it will double in value around five times over the next 35 years.　https://www.inc.com/jim-schleckser/why-einstein-considered-compound-interest-most-powerful-force-in-universe.html

預金以外の金融商品で複利運用が可能なものは意外と少ないのが実態です。筆者が知る限り、投資信託（資産成長型・無分配型）くらいしか見当たりません。https://gentosha-go.com/articles/-/24498