Since the Law forbade intermarrying with pagans and participation in false worship, it was designed to prevent Abraham’s line of descent from being contaminated. ​ — Ex.
(‏ اش ٣٣ :‏ ٢٢‏ )‏ وَقَدْ كَانَ هَدَفُ ٱلشَّرِيعَةِ ٱلْمُحَافَظَةَ عَلَى نَقَاوَةِ سُلَالَةِ إِبْرَاهِيمَ ،‏ إِذْ حَرَّمَتِ ٱلتَّزَوُّجَ بِٱلْوَثَنِيِّينَ وَمُمَارَسَةَ ٱلْعِبَادَةِ ٱلْبَاطِلَةِ .‏ —‏ خر ٢٠ :‏ ​ ٤ -‏ ٦ ؛‏ ٣٤ :‏ ​ ١٢ -‏ ١٦‏ .‏