Barber's Door

Riddle: A sign on the barber's door says "I shave only those who do not shave themselves". Does the barber shave himself?

Answer: There is no answer; it's a paradox. It cannot be made to work.

Source: https://www.riddles.com/index.php/109

A sign on the barber's door says "I shave only those who do not shave themselves". Does the barber shave himself? — Barber's Door by Anonymous v1.

Riddle: A sign on the barber's door says "I shave only those who do not shave themselves". Does the barber shave himself? Answer: There is no answer; it's a paradox. It cannot be made to work. — by Anonymous v2.