Sun Tzu's Deception Is About Your Own Mind First
“All warfare is based on deception.” Sun Tzu’s most quoted and most misused line. People take it as licence to lie, scheme, misrepresent. But read it in context and something subtler is going on. The deceptions he lists are mostly about concealing your real strength and intentions from a genuine adversary in a genuine contest. And the deeper teaching, the one that survives translation off the battlefield, is about not deceiving yourself.
Look at his actual examples. When able, appear unable. When near, appear far. He’s describing how not to telegraph your moves to an opponent actively trying to destroy you. That’s not fraud. It’s the same instinct as not announcing your startup’s exact strategy to the incumbent who’d crush it, or not showing your full hand in a negotiation where the other side would use it against you. There’s a real, ethical version of concealment. You’re not lying about facts, you’re declining to hand your competitive plans to someone whose stated goal is to beat you. A chess player doesn’t “deceive” by not explaining his plan to his opponent. Withholding isn’t deceit.
But here’s the part I think is the actual gold, and it’s almost the opposite of how the quote gets used. The hardest deception to beat in any contest is the one you run on yourself. Sun Tzu opens the whole book not with tricks but with cold assessment. Five factors, seven comparisons, an honest reckoning of which side is actually stronger before a single move. “Know yourself and know your enemy.” Most people don’t lose because they got out-tricked. They lose because they deceived themselves about their own strength, their own readiness, the real state of the terrain, and walked into a fight they’d already lost in the assessment they refused to do honestly.
This is the founder’s disease, and I’ve had it. You deceive yourself that the product is further along than it is, that the market wants it more than it does, that your skills cover the gap they don’t. Every one of those is a self-deception, and every one is fatal in the way Sun Tzu warns about. You lose the war in the planning, not the fighting, because your plan was built on a flattering lie you told yourself. The discipline of not deceiving yourself, of doing the cold assessment even when it’s discouraging, is worth more than any clever stratagem you could run on a competitor.
So I’d rewrite the famous line for builders. All competition is based on clarity. Clarity about your real position, ruthlessly honest, which you then keep partly concealed from genuine adversaries while never, ever concealing it from yourself. The concealment outward is optional and situational. The clarity inward is mandatory and constant. Get those backwards, lie to yourself while being naively transparent to competitors, and you’ve achieved the worst of both. Self-deceived and exposed.
I want to be clear where the ethical line sits, because this is the riskiest material to write about under my own name. Concealing your strategy from a rival in fair competition is legitimate. Lying to people who are trusting you, customers, partners, teammates, is not, and Sun Tzu’s principle never required it. It required winning the assessment, which is an act of honesty. The truly dangerous self-deception is thinking you need to deceive others to win. Usually you just needed to stop deceiving yourself.
One of a series of essays. I’m Prajjwal Chittori. prajjwalchittori.com.