Answer:
It may be option 3 - the phrase "offers a compelling argument for human existence."
The Sphinx guarded the entrance to the city of Thebes. It asked a riddle to every traveller to allow them entrance. If they guessed correctly, they were free to pass as they wished. Otherwise, they were devoured. Eventually, Oedipus solved the Sphinx's riddle. In turn, she killed herself.
Henry Ford
That's one I can think of.
Maybe Albert Einstein but I don't know if they'll accept him.
This is an incomplete thought as it does not have a subject.
