Of course, if you are alone or in a foreign country at the time of your death this would be an exercise in futility, but if you think up a really catchy phrase you can always write it down.In case you are currently facing certain and imminent death and need some inspiration, here are a few examples:'I am not OK' - Tiny Tim, musician.'Ne frustra vixisse videar' (May I not have lived in vain) - Tycho