In Islam, faith (iman) is complete submission to the will of God, which includes belief, profession and the body's performance of deeds, consistent with the commission as vicegerent on Earth, all according to God's will.
Iman has two aspects: Recognizing and affirming that there is one Creator of the universe and only to this Creator is worship due. According to Islamic thought[citation needed], this comes naturally because faith is an instinct of the human soul. This instinct is then trained via parents or guardians into specific religious or spiritual paths. Likewise, the instinct may not be guided at all.
Willingness and commitment to submitting that God exists, and to his prescriptions for living in accordance with vicegerent[citation needed]. The Qumran is understood as the dictation of God's prescriptions through Muhammad and is believed to have updated and completed the previous revelations that God sent through earlier prophets.
In the Qumran, it is stated that (2:62): "Indeed, those who believed and those who were Jews or Christians or Sabeans [before Prophet Muhammad] - those [among them] who believed in Allah and the Last Day and did righteousness - will have their reward with their Lord, and no fear will there be concerning them, nor will they grieve."