1-Literal Meaning.2-Quranic Meaning.3-Viewpoint of Mu'tazila.3.1-Viewpoint of Qadi 'Abd al-Jabbar.3.2-Difference Between Mu'tazila and Khawarij.4-Viewpoint of Ash'arites.5-Viewpoint of Imamiyya.5.1-Al-Shaykh al-Tusi.5.2-Ibn Maytham Bahrani.6-References.