Then quick, while you're still brave, ask yourself what you'd want to do with your mortal existence if the universe weren't a total dog's vomit.
A sleep, such as that which ends our mortal existence, overcame my senses.
Never, never in all my existence, not mortal or immortal, had I been threatened with an intimacy quite like this.
That was what Saturn had thought of mortal existence.
"That person will come into mortal existence early in the twentieth century."
Six was the only age they couldn't be, because that was their current year of full mortal existence in Xanth.
It is perhaps the most basic question of mortal existence, and yet it is one for which there can be no answer.
All we do is end the mortal existence of humans.
He would step into an immortal plane and leave his ordinary mortal existence behind.
"Such as the approaching termination of most mortal existence."