 Chazal is an acronym for "Chachameinu Zichronam Livracha" ("Our Sages may their memory be blessed").In Rabbinic writings this refers to all Sages of the Talmud and other Rabbinic literature commentators, from the times of the Second Temple of Jerusalem until the 6th century.Up until the end of the Savoraim era, Chazal had the authority to commentate the Torah according to the Talmudical Hermeneutics standards required by the law given to Moses at Sinai (The non written laws handed to Moses at Sinai).