What Esquilax said. If you look and look and look and don't find the thing you're looking for, and don't even find compelling reasons to keep looking, the safe bet is that the thing you're looking for simply isn't there. That isn't to say that it won't ever be found, but if you keep looking in the same shoebox for the same rhinoceros, you're playing a mug's game.
Boru
Boru
‘But it does me no injury for my neighbour to say there are twenty gods or no gods. It neither picks my pocket nor breaks my leg.’ - Thomas Jefferson