“Only buy something that you’d be perfectly happy to hold if the market shut down for 10 years.”

This thought experiment encourages individuals to focus on the "durability" of an asset’s value rather than its current market price or liquidity. It offers a strategic insight into the power of "owner earnings," where the real profit comes from the business’s operations rather than its stock ticker. In contemporary career planning, this translates to building skills and businesses that have timeless utility and will remain relevant a decade from now. People share this today to advocate for a "slow and steady" approach to wealth and to remind themselves to avoid the noise of short-term news cycles. Buffett uses this principle to filter out speculative fads, ensuring that every commitment he makes is based on a decade-long vision of excellence. The practical lesson is to only associate yourself with projects and people that you are willing to stand by for the long haul, as this level of conviction is what creates a legendary legacy.