The most important thing I have learned — and I say this knowing how obvious it sounds — is that everyone is genuinely, irreducibly different. Not different in the polite, diversity-brochure sense, but different in the way that makes real communication both difficult and worth attempting. We each grew up inside a specific gravity: a particular city, a particular set of myths handed down at the dinner table, a particular version of what counts as obvious. That gravity shapes what we see, what we assume, and what we cannot imagine needing to explain.
Once you actually internalize this — not as a slogan but as a working premise — two things happen simultaneously. You stop apologizing for your own specific knowledge. The things you know, the angles you see from, the problems you have spent years learning to solve: these are not common. They are yours. Offer them without embarrassment. And from some of those, you can make profit. The second thing is harder. You start to encounter disagreement differently — not as error to be corrected, but as evidence of a different formation. The person across the table is not wrong in the way a calculation is wrong. They were told different things by people they trusted, in a language that shaped how trust itself feels.
This is not relativism. It is precision. It is the difference between a navigator who knows the ocean is wide and one who has actually measured the currents. Confidence and humility stop being opposites and become the same instrument, read from different ends. You need both to move anywhere worth going.