24 Preface ۞ وَيَطوفُ عَلَيهِم غِلمانٌ لَهُم كَأَنَّهُم لُؤلُؤٌ مَكنونٌYusuf AliRound about them will serve, (devoted) to them. Youths (handsome) as Pearls1 well-guarded.Maknun: well-guarded, kept close, concealed from exposure: the beautiful nacreous lustre of Pearls is disfigured by exposure to gases, vapours, or acids; when not actually in use they are best kept in closed caskets, guarded from deteriorating agencies. (R).