 Mark Epstein is an American psychiatrist who practiced Buddhism in Thailand under Ajahn Chah and has since written several books on psychoanalysis and Buddhism ("Thoughts Without a Thinker" 1995, "Psychotherapy Without the Self", 2008).Epstein relates the Buddhist Four Noble Truths to "primary narcissism" as described by Donald Winnicott in his theory on the true self and false self.The first truth highlights the inevitability of humiliation in our lives of our narcissistic self-esteem.