Have you ever noticed how much of our lives run on autopilot? We do things a certain way mostly because, well, that’s just how everyone else does them.
When we want to improve something-whether it's a project at work or a personal habit-we usually look at what's already there and just tweak it. We add a bell here, a whistle there. In psychology, this is called reasoning by analogy. It’s basically looking at the existing blueprint and making a few edits.
But there's a different way to tackle problems. It’s called first principles thinking. It sounds like fancy physics jargon, but it's actually incredibly simple and completely changes how you look at the world.
Think of it like a Lego house.
If I hand you a pre-built Lego house and ask you to make it better, your first instinct is probably to add a window or build a cooler roof. You're working within the limits of the house that's already sitting in front of you.
But what if you just smashed the house into a pile of individual bricks?
Suddenly, you aren't stuck making a slightly better house. You could build a spaceship. Or a bridge. Or a dinosaur.
Smashing the house is what first principles thinking is all about. It means stripping a problem down to the absolute bare-bone facts. You throw away all the assumptions, the so-called "best practices," and the "this is how we've always done it" baggage. You figure out what is absolutely true, and you build your solution up from there.
Elon Musk is the classic example people use for this. When he first wanted to send rockets to space, everyone told him it was financially impossible because rockets cost around $65 million. That was just the accepted industry standard.
Instead of taking their word for it, he broke a rocket down to its first principles: the raw materials. He looked at the market prices for aerospace-grade aluminum, titanium, copper, and carbon fiber. It turned out the actual materials only made up about 2% of a rocket's price tag. The other 98% was just bloated industry inefficiency and bad assumptions. So, he bypassed the system and started building his own rockets from scratch.
You don't have to be a billionaire trying to go to Mars to use this, though. You just need to channel your inner three-year-old.
Kids are natural first-principles thinkers because they constantly ask, "Why?" They keep asking it until adults run out of real answers and finally throw their hands up and say, "Because I said so."
Whenever you hit a "because I said so," or a "that's just how it works" in your own life, you've found an assumption masquerading as a fact.
The next time you're stuck on a tough problem, try not to look at how everyone else is solving it. Smash the Lego house. Figure out what your fundamental, undeniable blocks are, and build exactly what you want from the ground up.