“Custom is a second nature, and stronger than the first.”Michel de Montaigne · Eseuri · 1580 · I, 23
A habit repeated for years grows stronger than the nature we were born with.
Montaigne observes that what we do daily settles into character. A native instinct can be tempered by reflection, but a habit installed over decades acts automatically, beyond the reach of consciousness. The mechanism is simple: repetition removes effort, and the mind prefers the worn path. Someone who has smoked for twenty years fights not the craving but the gesture itself, sunk deeper than nature.
Montaigne takes the thought further: habit does not merely repeat gestures, it colors your judgment. When a path has been worn down for years, you no longer feel that you are choosing anything. It seems true, natural, the only option. That is why it is harder to budge than an innate tendency: nature can be recognized and tempered, but habit disguises itself as reason. Think of someone who eats quickly, standing up, since childhood. Their appetite is not bigger. It has simply always seemed normal, and they never wondered why. Only when they watch someone else eating slowly, with pleasure, do they realize they have a habit, not a law of nature. That is the key: the first step is not the fight, but removing the disguise. But how do you spot a habit that has itself taught you not to see it?
Why it matters It helps anyone trying to change behavior and puzzled by how hard it is: the struggle is not with the self but with years of automation.