From Wiktionary, the free dictionary
- 1903, The American Cooperator [devoted to the Ideals of a Cooperative Commonwealth], page 38:
- Superselfish motives and methods are possible to every one, for the interdependence of the human family is plain to every clear thinker.
- 1941, Napoleon Hill, Mental Dynamite: The Philosophy of American Achievement:
- Neither are vanity and superselfish egotism.
- 2003, Bryan Sykes, Adam's Curse, page 191:
- Had he stumbled across real-life examples of Hamilton's theoretical superselfish Y-chromosome?
