" In an article about the warning, the paper quoted Cunard’s New York manager, Charles Sumner, as saying that in the danger zone “there is a general system of convoying British ships. The British Navy is responsible for all British ships, and especially for Cunarders.” The Times reporter said, “Your speed, too, is a safeguard, is it not?” “Yes,” Sumner replied; “as for submarines, I have no fear of them whatever. "

― Erik Larson , Dead Wake: The Last Crossing of the Lusitania