[on murdering German prisoners of war] In fact it was simply amazing that they should have had the infernal audacity to offer to surrender, in view of their ferocious and pitiless attacks on our merchant ships. Destroyer versus Destroyer, as in the Dover Patrol, was fair game and no favor. One could meet them and take them on as a decent antagonist. But towards the submarine men, one felt an utter disgust and loathing; they were nothing but an abomination, polluting the clean sea.