And wow! Hey! What’s this thing coming towards me very fast? Very very fast. So big and flat and round, it needs a big wide sounding word like… ow… ound… round… ground! That’s it! That’s a good name — ground! I wonder if it will be friends with me? – Douglas Adams
If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands. – Douglas Adams