This is an anti-nazi propaganda poster from 1942. This is putting Hitler in a bad light, saying his thoughts only consist of violence and destruction. This represents the fact that there were many people against Hitler, claiming he was insane.
Brainwashing, wartime propaganda for Nazi German youth! - "Children, what do you know about the Leader?" - | He was responsible for this! => https://www.pinterest.com/pin/349803096035085119/ and this https://uk.pinterest.com/pin/234398355577329413/ and THIS https://uk.pinterest.com/pin/82261130672181690/ All the painted lies will never wash the blood from his hands!