It is a dangerous error to confound truth with matter-of-fact. Our life is governed not only by facts, but by hopes ; the kind of truthfulness which sees nothing but facts is a prison for the human spirit. Dreams are only to be condemned when they are a lazy substitute for an effort to change reality.
Source: On Education, especially in early childhood, 1926, Pt. 2： Education of character, chap. 5: Play and fancy
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