Loyalty springs from the heart, but the human heart is treacherous. Thus, one who is loyal to God could easily feel strong ties of loyalty to a close friend or relative even if that person is practicing what is bad.
وَلٰكِنْ قَبْلَ أَنْ تُبَاشِرَ كِتَابَتَهَا ،‏ رَاجَعَتْ مَبَادِئَ ٱلْكِتَابِ ٱلْمُقَدَّسِ .‏