wˌaɪl ɪn tɚɹˈɑːntoʊ, hiː tˈɔːt jˈɪdɪʃ æt ðə wˈɜːkmɛnz sˈɜːkəl slˈæʃ ˈɑːɹbɛɾɚ ɹˈɪŋ skˈuːl; ɪt wʌz ɪn tɚɹˈɑːntoʊ ðæt hɪz lˈɛftɪst slˈæʃ pɹˈoʊkˈɑːmjuːnˌɪst sˈɪmpəθiz mətʃˈʊɹd.
While in Toronto, he taught Yiddish at The Workmen's Circle/Arbeter Ring school; it was in Toronto that his leftist/pro-communist sympathies matured.