"If have told you in detail about Asteroid B612 and given you its precise number it is because of the grown-ups. Grown-ups love numbers. When you talk to them about a new friend, they don’t ask you about what really matters. The never ask you “What is his voice like? What games does he prefer? Does he collect butterflies?” They ask you “How old is he? How many brothers has he got? How much does he weigh? How much does his father earn?” It is only thus that they believe they can know him.."