“Every man takes the limits of his own field of vision for the limits of the world.”Arthur Schopenhauer · Parerga și Paralipomena · 1851 · vol. II, cap. XXVII (Paralipomena, „Despre gândire”)
The horizon of your experience is not the world's limit, only your sight's limit.
Schopenhauer describes a universal error of perspective: what we cannot see seems not to exist. Someone raised in a narrow environment takes local customs for laws of nature, and someone formed in a single tradition treats it as the only possible one. The mechanism is natural, since we judge with what we have. A merchant who has lived in one town assumes everyone buys like his neighbors, and fails abroad.
The perspective error doesn't stay at the level of opinion: it becomes decision. When you take your horizon as the world, your choices seem the only rational ones, and the rest seem wrong. A parent who studied only within one system pushes the child down the same path, convinced it's the only road anywhere. Not malice, but structural blindness. Schopenhauer suggests the remedy isn't more confidence, but more exposure to what you don't know. Which raises an awkward question: who shows you your own field of vision?
Why it matters A useful antidote to echo chambers: travel, reading, and different people literally enlarge the world.