Douglas Hofstadter – Metamagical Themas (1985)
…Yet it was stated in such a way that it invites you to perform a “light” mapping of him onto a waitress, just barely noticing (if at all) that there is a sex difference. What an amazingly subtle thought process is involved here!
And what is even more amazing (and frustrating) to me is how hard it is to point out to people how amazing it is! People find it very hard indeed to see what’s amazing about the ordinary behavior of people.