In a happy child, it should not be difficult to stimulate a generous disposition ; but if the child is starved of pleasures, he will, of course, cling tenaciously to those that are attainable. It is not through suffering that children learn virtue, but through happiness and health.
Source: On Education, especially in early childhood, 1926, Pt. 2：Education of character, chap. 7: Selfishness and property.
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