The more books you read, the more stupid you become.
-Mao Zedong
Everyone has the right to be stupid on occasion, but Comrade MacDonald abuses the privilege
-Trotsky
Private property has made us so stupid and one-sided that an object is only ours when we have it – when it exists for us as capital, or when it is directly possessed, eaten, drunk, worn, inhabited, etc., – in short, when it is used by us.
-Marx