כֹּֽה־אָמַ֧ר יְהוָ֛ה אֱלֹהֵ֥י יִשְׂרָאֵ֖ל לֵאמֹ֑ר כְּתָב־לְךָ֗ אֵ֧ת כָּל־הַדְּבָרִ֛ים אֲשֶׁר־דִּבַּ֥רְתִּי אֵלֶ֖יךָ אֶל־סֵֽפֶר׃
’Thus speaketh the LORD, the God of Israel, saying: Write thee all the words that I have spoken unto thee in a book.
Read halakhic rulings (Jewish law) on Jeremiah 30:2: and classical halakhic sources.