The Riddle Of The Sphinx
Riddle: I walk on four legs when I am young, two when a adult and three when I am old. Who am I?
Answer: Humans! When we are babys , we crawl which makes it four legs, walk on two when we are a adult and lean on a stick when we are old and that makes three.
Source: https://www.riddles.com/index.php/3653
