"The blame for the faulty use of the Air Force must be apportioned equally to Hitler and to Goering. Neither the bravery nor the military and technical ability of the Luftwaffe sufficed to compensate for the vanity of its Commander-in-Chief and for the indulgence that Hitler showed towards the ambitions of his principle disciple. Only much later did Hitler form a true picture of Goering's worth- or rather worthlessness- but it is significant that on 'grounds of policy' he always refused to replace him in an appointment that was, for better or for worse, decisive to the outcome of the war. It has often been maintained that Hitler showed unshakable loyalty to his 'old comrades'. So far as Goering is concerned this was unfortunately true. It is also true that he frequently complained about him, but he never drew the correct conclusions from his own observations."
January 1, 1970
https://en.wikiquote.org/wiki/Hermann_G%C3%B6ring