Aristotle's discussions on retail and interest was a major influence on economic thought in the Middle Ages.
ˈæɹɪstˌɑːɾəlz dɪskˈʌʃənz ˌɔn ɹˈiːteɪl ænd ˈɪntɹɛst wʌzɐ mˈeɪdʒɚɹ ˈɪnfluːəns ˌɔn ˌiːkənˈɑːmɪk θˈɔːt ɪnðə mˈɪdəl ˈeɪdʒᵻz.