ɐkˈoːɹdɪŋ tə pˈiːɾɚ hˈɑːɹvi, ðə bˈuːdɪst skɹˈɪptʃɚz ɐknˈɑːlɪdʒ ðætðə fˈoːɹ bɹˌɑːmɐvɪhˈɑːɹɹə mˌɛdɪtˈeɪʃən pɹˈæktɪsᵻz "dɪdnˌɑːt ɚɹˈɪdʒᵻnˌeɪt wɪðˌɪn ðə bˈuːdɪst tɹɐdˈɪʃən".
According to Peter Harvey, the Buddhist scriptures acknowledge that the four Brahmavihara meditation practices "did not originate within the Buddhist tradition".