עֲשֵׂ֣ה לְךָ֗ שְׁתֵּי֙ חֲצֽוֹצְרֹ֣ת כֶּ֔סֶף מִקְשָׁ֖ה תַּעֲשֶׂ֣ה אֹתָ֑ם וְהָי֤וּ לְךָ֙ לְמִקְרָ֣א הָֽעֵדָ֔ה וּלְמַסַּ֖ע אֶת־הַֽמַּחֲנֽוֹת׃
"Faze para ti duas trombetas de prata; de obra batida as farás, e elas te servirão para convocar a congregação e para fazer mover os acampamentos.
Jerusalem Talmud Shevuot
The minimum of trumpets are two. Then why does the verse say two? that both be equal11Num. 10:1..
Jerusalem Talmud Sanhedrin
The minimum of birds are two. Why does the verse say two? that both be equal154The birds required for the purification of the person healed from skin disease, Lev. 14:4. Babli Yoma 62b, Mishnah Negaˋim 14:1, Sifra Meṣoraˋ Introduction 11.. The minimum of trumpets are two. Why does the verse say two? that both be equal155The trumpets to be sounded at the time of sacrifices, Num. 10:2. Sifry Num. 74..