"I doubt that the imagination can be suppressed. If you truly eradicated it in a child, he would grow up to be an eggplant. Like all our evil propensities, the imagination will out. But if it is rejected and despised, it will grow into wild and weedy shapes; it will be deformed. At its best, it will be mere ego-centered daydreaming; at its worst, it will be wishful thinking, which is a very dangerous occupation when it is taken seriously."
January 1, 1970
https://en.wikiquote.org/wiki/Children's_literature