It's very dangerous to wave to people you don't know because what if they don't have hands? They'll think you're cocky.

It's very dangerous to wave to people you don't know because what if they don't have hands? They'll think you're cocky.

向你不认识的人挥手是非常危险的，因为如果他们没有手怎么办?他们会认为你很自大。

-- Mitch Hedberg 米奇·赫德伯格