Parenting wisdom for product managers, powered by Lenny's Podcast

Intellectual Fearlessness Works At Any Age

Inspired by Dr. Fei Fei Li episode

Fei-Fei Li's career advice? Be intellectually fearless. Don't overthink every possible failure. Turns out that's exactly how kids learn too—by trying stuff that might not work.

When Fei-Fei moved from Princeton to Stanford, she restarted her tenure clock—huge career risk. Her move to Google? Leap of faith. Starting World Labs? Same. Her advice: "I don't overthink all possible things that can go wrong because that's too many."

Kids operate the same way. They see something they want to try and they just... try it. No risk assessment. No contingency planning. They pour the milk and it spills everywhere. They climb the thing and sometimes fall off. That's 500 million years of evolution working exactly as designed—20 watts of brain power learning through direct experience.

The PM who won't ship until every edge case is solved never ships. The kid who's prevented from any risky learning never learns. Fei-Fei built ImageNet by being audacious enough to try something most people thought was impossible.

Worth considering what gets lost when we engineer out all the small failures. The spilled milk is data. The bumped knee is training. That's how neural networks—human and artificial—actually get smarter.

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While this advice is inspired by Dr. Fei Fei Li's quotes, it does not necessarily mean they would agree with it. Much like your kids or mother-in-law. If you see something odd though, you can .