חַֽסְדֵ֣י יְ֭הוָה עוֹלָ֣ם אָשִׁ֑ירָה לְדֹ֥ר וָדֹ֓ר ׀ אוֹדִ֖יעַ אֱמוּנָתְךָ֣ בְּפִֽי׃
I will sing of the mercies of the LORD for ever; To all generations will I make known Thy faithfulness with my mouth.
Read halakhic rulings (Jewish law) on Psalms 89:2: and classical halakhic sources.