I haven't got the slightest idea how to change people but still I keep a long list of prospective candidates just in case I should ever figure it out.
Also I used to think that one day I might get someone to iron my shirts but...
You do have to change things as warfare changes.
I shall endeavour still further to prosecute this inquiry an inquiry I trust not merely speculative but of sufficient moment to inspire the pleasing hope of its becoming essentially beneficial to mankind.