Which one? That Bible standards are always in their best interests. ​ — Deut. 30: 19, 20.
وَهٰكَذَا يَقْوَى ٱقْتِنَاعُهُ أَنَّ مَقَايِيسَ ٱلْكِتَابِ ٱلْمُقَدَّسِ هِيَ دَائِمًا لِخَيْرِهِ .‏ —‏ تث ٣٠ :‏ ١٩ ،‏ ٢٠‏ .‏