The Wisdom Wall

13 quotable lessons, heuristics and mental models. Every one is playable at the moment it was said. No fortune cookies allowed.

Everyone Bret Taylor (20)Tobi Lütke (18)Marc Andreessen (14)John Collison (14)Satya Nadella (13)Dan Sundheim (13)Casey Handmer (13)Ben Thompson (11)Kyle Vogt (10)Scott Wu (7)Tony Xu (6)RJ Scaringe (6)Garrett Langley (6)Tarek Mansour (5) Best Newest Oldest

“the solar has gotten so cheap that you can actually kind of do the reverse process, and it makes financial sense, increasingly so over time.”

Casey Handmer, Oct 28, 2025

“if I see someone who is pretty successful do a series of crazy things over and over again, and yet they work out every single time, either they have root access, To the simulation. Or their model of reality is better than mine in some key way that I don't understand.”

Casey Handmer, Oct 28, 2025

“Well, I mean, people in general, maybe you shouldn't start hardware companies. It's, um, it's kind of cursed in a way, but if you have the right skill set and the right mindset, um, and you're determined to just do the most ambitious thing you could possibly achieve, you should do it, right?”

Casey Handmer, Oct 28, 2025

“If you want to have the ability to, like, rapidly prototype electronic systems, you've got to have that here, servicing, servicing the US market, which is the strongest consumer market on earth. There's no reason you can't do it. No, you don't want to have, like, fourteen-year-olds in sweatshops soldering stuff…”

Casey Handmer, Oct 28, 2025

“if you've recently graduated or you're about to graduate, it's more important that you get a job and you kill it, do really, really well straight out of school. Than that you sit on the job market per year, and then compete against the next brand. Like, if you, it's, I, I see a lot of resumes, no doubt you've seen a…”

Casey Handmer, Oct 28, 2025

“one of the mistakes I've seen a lot of first-time founders make is, is they assume that an hour of coaching is as good as an hour of firing.”

Casey Handmer, Oct 28, 2025

“I think a better model, I don't know how to get there from here, but a better model might be that, um, every time like a, a lab or an agency or something is set up, it's, it's automatically set up with its destructor, right? Um, and after some fixed period, it sunsets.”

Casey Handmer, Oct 28, 2025

“one of the anomalous things about Elon's companies is that they're now quite old and quite large, and they haven't, they've got other organizational pathologies, but they haven't had that problem.”

Casey Handmer, Oct 28, 2025

“if you look at the, you know, the Gundo guys or, or whatever, like this kind of new generation of, um, industrially ambitious hardware entrepreneurs, Almost all of them have, like, an origin story that goes back into their, into their early teens or earlier of, like, just trying to make stuff, right?”

Casey Handmer, Oct 28, 2025

“But at the same time, like, the solar wave is, is exponential, right? And we know from COVID, amongst other things, that people are really bad at, like, understanding where they sit on an exponential curve and then correctly projecting into the future.”

Casey Handmer, Oct 28, 2025

“really good businesses are built by commodifying a complement and the complement be commodified here is, is like as much as possible of the solar Development, which is pretty much reduced to practice and commodified already at this point. And the part that you sit on top of that is the thing that takes that and turns…”

Casey Handmer, Oct 28, 2025

“Well, I think on the energy front, countries that have cheap energy can afford to screw up a lot of things, and they're still basically everyone is prosperous.”

Casey Handmer, Oct 28, 2025

“nothing is worse for your career than sitting in a job failing for you because you don't have the guts to quit and your manager won't fire you. And I've just seen this so many times. Um, cause you, you're not, it's not that you're not growing, it's you're going backwards in that time.”

Casey Handmer, Oct 28, 2025
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