My investing strategy doesn’t rely on picking the right sector, or timing the next recession. It relies on a high savings rate, patience, and optimism that the global economy will create value over the next several decades. I spend virtually all of my investing effort thinking about those three things—especially the first two, which I can control.

Investment returns can make you rich. But whether an investing strategy will work, and how long it will work for, and whether markets will cooperate, is always in doubt. Results are shrouded in uncertainty. Personal savings and frugality—finance’s conservation and efficiency—are parts of the money equation that are more in your control and have a 1