But it is not of the essence of parental love to seek a response. The natural unsophisticated parental instinct feels towards the child as towards an externalized part of the parent’s body. If your great toe is out of order you attend to it from self-interest, and you do not expect it to feel grateful.
Source: On Education, especially in early childhood, 1926, Pt. 2：Education of character, chap. 11: Affection and Sympathy
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