ɐkˈoːɹdɪŋ tə wˈʌn ɐkˈaʊnt, hiː wʌz ˌɪntɹədˈuːst tə hˈæsɪdˌʌt æt ðɪ ˈeɪdʒ ʌv ɪlˈɛvən wɛn hiː mˈɛt dˈɑːv bˈɜːɹ ʌv mˈɛzɚɹˌɪtʃ.
According to one account, he was introduced to Hasidut at the age of 11 when he met Dov Ber of Mezeritch.