Da Vinci designed siege machines and other weapons of war for his patrons. I suppose you'd consider him an idiot for doing so? I'm as anti-war as they come but

Da Vinci designed siege machines and other weapons of war for his patrons. I suppose you'd consider him an idiot for doing so? I'm as anti-war as they come but of course you have to recognize there are smart people who nevertheless decide to work with the military.