Similar (of course, far from identical) irritations in similar conditions call out similar reflexes; the more powerful the irritation, the sooner it overcomes personal peculiarities. To a tickle, people react differently, but to a red-hot iron, alike. As a steam-hammer converts a sphere and a cube alike into sheet metal, so under the blow of too great and inexorable events resistances are smashed and the boundaries of “individuality” lost.
Leon Trotsky, History of the Russian Revolution
individuality, psychology