Note 128 — Chapter VII · DEVELOPMENT OF LAUGHTER DURING THE FIRST THREE YEARS OF LIFE.
Reading edition
The nearest approach I have met with to a suggestion of a wish to inflict pain in this early practical joking is the following: The child M. when two years old stood on her mother’s foot saying, “Oh, my poor toe!” But it seems reasonable to say that in such moments of frolic pain is quite unrepresentable.