זְכֹר֙ לַעֲבָדֶ֔יךָ לְאַבְרָהָ֥ם לְיִצְחָ֖ק וּֽלְיַעֲקֹ֑ב אַל־תֵּ֗פֶן אֶל־קְשִׁי֙ הָעָ֣ם הַזֶּ֔ה וְאֶל־רִשְׁע֖וֹ וְאֶל־חַטָּאתֽוֹ׃
Remember Thy servants, Abraham, Isaac, and Jacob; look not unto the stubbornness of this people, nor to their wickedness, nor to their sin;
Read halakhic rulings (Jewish law) on Deuteronomy 9:27: and classical halakhic sources.