# Cumulative vs. Cyclical Knowledge

An episode of [The Psychology of Money with Morgan Housel](https://invisiblenetwork.ai/podcast/1675310669), 29 Aug 2024, 13 min.

Audio: https://anchor.fm/s/104219ecc/podcast/play/101785753/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-3-25%2F399089934-44100-1-fe832a2180ebb0d4.mp3

In some fields our knowledge is seamlessly passed down across generations. In others, it’s fleeting. To paraphrase investor Jim Grant: Knowledge in some fields is cumulative. In other fields it’s cyclical (at best).

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