“Why should we all act so like children? Because we are? Yes, I suppose so." She made a humorous grimace. "But even then, why?" She pondered this for some time. "I suppose it was worth while-all those things I made-in a way," she mused, "and I suppose I wouldn't have made them, otherwise." She looked doubtful. "Is that it? So we will do the things that would not seem worth while-if we stopped to think?"...Yes, that was it!”