Lacan，June 1975 (Paris，James Joyce Symposium)，Nov 1975 (USA， Yale University)，
I interpret the Sinthome as a voluntary symptom that aims at the unknown to discover new possibilities. (Brivic, 2008, Preface)
Therefore, it's like the event, or, existential imperative, not voluntary, nor involuntary.
Reference
(1) How James Joyce Made his Name: A Reading of the Final Lacan, Roberto Harari, Luke Thurston (Translator), Other Press, 2013
# Chap 1
(2) James Joyce and the Problem of Psychoanalysis, Luke Thurston, Cambridge University Press, 2004
(3) Reinventing the Symptom： Essays on the Final Lacan, ed. Luke Thurston, Other Press, 2002
(4) Lalangue, Sinthome, Jouissance, and Nomination: A Reading Companion and Commentary on Lacan's Seminar XXIII on the Sinthome, Raul Moncayo, Routledge, 2019
(5) Lacan Reading Joyce, Colette Soler, Routledge, 2018
(6) Joyce through Lacan and Žižek: Explorations, Shelly Brivic, Palgrave Macmillan, 2008
(7) The Sinthome: The Seminar of Jacques Lacan, Book XXIII, Jacques Lacan, Polity, 2016
