Hmmm, perhaps the relation between these two lines are for 'fun' purposes only. And, seeing as you've read the article as well, it doesnt seem strange to think of this fact: "All life beings and ends in the ocean". Plus, we dont know of Belthesar actually wrote that line or not, as there is not solid evidence apart from the fact that it is his room.
Also, is that the room where you fight some Nu?