ɹˈæʃənəl ˈiːɡoʊˌɪzəm ɪz ðə vjˈuː ðæt ɹˌæʃənˈælᵻɾi kənsˈɪsts ɪn ˈæktɪŋ ɪn wˈʌnz sˈɛlfˈɪntɹɛst wɪðˌaʊt spˈɛsᵻfˌaɪɪŋ hˌaʊ ðɪs ɐfˈɛkts wˈʌnz mˈɔːɹəl ˌɑːblɪɡˈeɪʃənz.
Rational egoism is the view that rationality consists in acting in one's self-interest (without specifying how this affects one's moral obligations).