Title of book (1969), taken from the last line of "Sympathy" by Paul Laurence Dunbar in Lyrics of Hearthside (1899). Cf. Oxford Dictionary of Quotations (1979) 567:10
Zora Neale Hurston, Alice Walker (1979). “I Love Myself when I Am Laughing ... and Then Again when I Am Looking Mean and Impressive: A Zora Neale Hurston Reader”, p.153, Feminist Press at CUNY