This is the notion that cultures should not be judged by another's values or viewpoints, but be examined dispassionately on their own terms.
ðɪs ɪz ðə nˈoʊʃən ðæt kˈʌltʃɚz ʃˌʊd nˌɑːt biː dʒˈʌdʒd baɪ ɐnˈʌðɚz vˈæljuːz ɔːɹ vjˈuːpɔɪnts, bˌʌt biː ɛɡzˈæmɪnd dɪspˈæʃənətli ˌɔn ðɛɹ ˈoʊn tˈɜːmz.