The strongest guard is placed at the gateway to nothing. Maybe because the condition of emptiness is too shameful to be divulged.
F. Scott Fitzgerald (2015). “The Complete Works of F. Scott Fitzgerald: Novels, Short Stories, Poetry, Articles, Letters, Plays & Screenplays: From the author of The Great Gatsby, The Side of Paradise, Tender Is the Night, The Beautiful and Damned, The Love of the Last Tycoon, The Curious Case of Benjamin Button and many other notable works”, p.361, e-artnow