Systems that are antifragile become rigid, weak, and inefficient when nothing challenges them or pushes them to respond vigorously. He notes that muscles, bones, and children are antifragile. #JonathanHaidt

Systems that are antifragile become rigid, weak, and inefficient when nothing challenges them or pushes them to respond vigorously. He notes that muscles, bones, and children are antifragile. #JonathanHaidt

— English Quotes (@english_quotes) Jan 15, 2026