Compounding doesn’t rely on earning big returns. Merely good returns sustained uninterrupted for the longest period of time — especially in times of … - Morgan Housel

The ability to do what you want, when you want, for as long as you want, has an infinite ROI.

Conservative is avoiding a certain level of risk. Margin of safety is raising the odds of success at a given level of risk by increasing your chances of survival. Its magic is that the higher your margin of safety, the smaller your edge needs to be to have a favorable outcome.

Expiring knowledge catches more attention than it should for two reasons: one, there's a lot it. Eager to keep our short attention spans occupied. Two, we chase it down. Anxious to squeeze insight out of it before it loses relevance. Permanent information is harder to notice because it's buried in books rather than blasted in headlines. But it's benefit is huge. It's not just hat permanent information never expires, letting you accumulate it, it also compounds over it, leveraging off what you've already learned. Expiring information tells you what happened. Permanent information tells you WHY something happened and is likely to happen again. That WHY can translate into stuff you know about other topics, which is where the compounding comes in. I read newspapers and books everyday. I cannot recall one damn thing I read in a newspaper from say 2011, but I can tell you in great detail about books I read in 2011 and how they changed the way I think.