Not from a LetsRun poster, but still classic:
"I like to eat ice cream, but sometimes I don't want to have it: farts and so on and so on. That's why I don't prefer that one. And I don't want to eat too much ice cream and become a big person [gestures with hands and smiles]"
- Bekele, April 2006 Track & Field News, in answer to the question, "What is your favorite ice cream flavor?"