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Man is largely a creature of habit, and many of his activities are more or less automatic reflexes from the stimuli of his environment.

G. Stanley Hall (2013). “Adolescence - Its Psychology and Its Relations to Physiology, Anthropology, Sociology, Sex, Crime, and Religion (1931)”, p.180, Read Books Ltd
Man is largely a creature of habit, and many of his activities are more or less automatic reflexes from the stimuli of his environment.