See the articles “Christians Worship With Spirit and Truth ” and“ They Keep On Walking in the Truth ” in The Watchtower of July 15, 2002.
سَتُظْهِرُ ٱلْمَقَالَةُ ٱلتَّالِيَةُ كَيْفَ يُمْكِنُكَ ٱلْقِيَامُ بِذٰلِكَ .‏