God Almighty has revealed to His messengers texts that contain rulings on belief, worship, morals, and life in this world. “The folios of old (al-Suhuf al-Ula)” revealed to HE Abraham and HE Moses, the Torah, Psalms, Bible, and the Quran are revealed heavenly books.[1]
[1]. Al-Baqara (The Cow), 2: 85; Âli Imrân (The Family of Imran), 3: 3-4; An-Nisâ (Women), 4: 163; Tâ Hâ, 20: 133; An-Najm (The Star), 53: 36-37; Al-Hadîd (Iron), 57: 26-27; Al-A‘lâ (The Most High), 87: 18-19.