Автор цитаты точно неизвестен; обычно эти слова приписывают Майе Энджелоу.

Elwyn James Anthony, «The Mutative Impact of Serious Mental and Physical Illness in a Parent on Family Life», in The Child in His Family, eds. Elwyn James Anthony and PG. Koupernik (New York: John Wiley and Sons, 1970), 131–163; Elwyn James Anthony, «The Syndrome of the Psychologically Invulnerable Child», in The Child in His Family, eds. Elwyn James Anthony and PG. Koupernik (New York: John Wiley and Sons, 1974), 529–545; W. R. Beardslee and M. A. Podorefsky, «Resilient Adolescents Whose Parents Have Serious Affective and Other Psychiatric Disorders: Importance of Self-Understanding and Relationships», American Journal of Psychiatry 145, no. 1 (1988): 63–69; Manfred Bleuler, «The Offspring of Schizophrenics», Schizophrenia Bulletin 1, no. 8 (1974): 93–107; L. Fisher et al., «Competent Children at Risk: A Study of Well-Functioning Offspring of Disturbed Parents», in The Invulnerable Child, eds. Elwyn James Anthony and Bertram J. Cohler (New York: Guilford Press, 1987), 211; Elaine Mordoch and Wendy A. Hall, «Children’s Perceptions of Living with a Parent with a Mental Illness: Finding the Rhythm and Maintaining the Frame», Qualitative Health Research 18, no. 8 (2008): 1127–1144.