Many medical professionals and other advocates of blood transfusion appeal to people to donate blood in hopes of saving lives.
فَوَحْدَهُ دَمُ ٱلْمَسِيحِ قَادِرٌ عَلَى غُفْرَانِ ٱلْخَطَايَا وَمَنْحِ ٱلْحَيَاةِ ٱلْأَبَدِيَّةِ .‏ —‏ يو ٣ :‏ ١٦‏ .‏