Talmud Eruvin 13b

Elu v’elu divrei elohim hayim  Talmud Eruvin 13b Elu v’elu (These and these) – The Talmud relates the following story: Rabbi Abba said that Shmuel said: For three years Beit Shammai and Beit Hillel disagreed. These said: The halakha is in accordance with our opinion, and these said: The halakha is in accordance with our opinion. Ultimately, a Divine Voice emerged and proclaimed: Both these and those…