Notes from his lectures indicate that, at the start of his time in the Mediterranean, useful working ranges for heavy guns without telescopic sights were considered to be only 2000 yards, or 3000–4000 yards with such sights, whereas by the end of his time discussion centred on how to shoot effectively at 5000 yards. This was driven by the increasing range of the torpedo, which had now risen to 3000–4000 yards, necessitating ships fighting effectively at greater ranges. At this time he advocated relatively small main armaments on capital ships (some had 15 inch or greater), because the improved technical design of the relatively small (10 inch) modern guns allowed a much greater firing rate and greater overall weight of broadside. The potentially much greater ranges of large guns was not an issue, because no one knew how to aim them effectively at such ranges. He argued that "the design of fighting ships must follow the mode of fighting instead of fighting being subsidiary to and dependent on the design of ships." As regards how officers needed to behave, he commented, " "Think and act for yourself" is the motto for the future, not "Let us wait for orders"."