You must first have moral influence and control within your own coastal water before speaking the truth in a neighboring territory. If one fails to accomplish this they will be cut down at the knees.
“If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle.”Sun Tzu, “The Art of War”