This is because love and kindness ​ — elements of loving - kindness — ​ are aspects of the fruitage of Jehovah’s holy spirit.
وَذلِكَ لِأَنَّ ٱلْمَحَبَّةَ وَٱللُّطْفَ —‏ اَلصِّفَتَيْنِ ٱللَّتَيْنِ تُؤَلِّفَانِ ٱللُّطْفَ ٱلْحُبِّيَّ —‏ هُمَا وَجْهَانِ مِنْ أَوْجُهِ ثَمَرِ رُوحِ يَهْوَهَ ٱلْقُدُسِ .‏