æt ðɪ ɪnsˈɛpʃən ʌv pˌoːɹfɪɹɪˈɑːɾoʊ, hiː wʌz tˈiːtʃɪŋ æt ðə skˈuːl ʌv kˈɑːmɜːs ænd ðə nˈæʃənəl skˈuːl ʌv dʒˈʊɹɹɪspɹˌuːdəns.
At the inception of Porfiriato, he was teaching at the School of Commerce and the National School of Jurisprudence.