ɡˈeɪlən ɹˈoʊt ɪn ɔnðə jˈuːsfəlnəs ʌvðə pˈɑːɹts ʌvðə bˈɑːdi wˈʌnhˈʌndɹɪd sˈɛvənti: "ðə hˈɑːɹt ɪz, æz ɪt wɜː, ðə hˈɑːɹθstoʊn ænd sˈoːɹs ʌvðɪ ɪnnˈeɪt hˈiːt baɪ wˌɪtʃ ðɪ ˈænɪməl ɪz ɡˈʌvɚnd."
Galen wrote in On the Usefulness of the Parts of the Body (170): "The heart is, as it were, the hearthstone and source of the innate heat by which the animal is governed."