“What Darwin was too polite to say, my friends, is that we came to rule the earth not because we were the smartest, or even the meanest, but because we have always been the craziest, most murderous motherfuckers in the jungle.”

― Stephen King, Cell 2006

Perhaps we were driven mad by our awareness of our own demise. Like the song says “When you got nothin’, you got nothin’ to lose.”