כִּ֣י לֹ֧א יַעֲשֶׂ֛ה אֲדֹנָ֥י יְהוִ֖ה דָּבָ֑ר כִּ֚י אִם־גָּלָ֣ה סוֹד֔וֹ אֶל־עֲבָדָ֖יו הַנְּבִיאִֽים׃
פֿאַר װאָר, גאָט דער האַר טוט ניט קײן זאַך, סײַדן ער האָט אַנטפּלעקט זײַן סָוד צו זײַנע קנעכט די נבֿיאים.
Rashi
For the Lord God does nothing unless He has revealed His secret—That secret to His servants, the prophets.
Tze'enah Ure'enah
“The Lord God does nothing, etc.” [3:7]. God does not do anything without letting His prophets know. Since the prophets previously told that you should be pious, in the hope that you will be protected from all evil.