וִֽידַעְתֶּ֕ם כִּ֚י שִׁלַּ֣חְתִּי אֲלֵיכֶ֔ם אֵ֖ת הַמִּצְוָ֣ה הַזֹּ֑את לִֽהְי֤וֹת בְּרִיתִי֙ אֶת־לֵוִ֔י אָמַ֖ר יְהוָ֥ה צְבָאֽוֹת׃
Know then that I have sent This commandment unto you, That My covenant might be with Levi, Saith the LORD of hosts.
Find Talmudic references to Malachi 2:4: , passages from the Talmud Bavli and Yerushalmi.