In Islamic contexts, prayer has been considered from both aspects of purpose and educational method. The subject of this article is the description of position, goals and theoretical foundations of prayer, based on " Sahifah Sajjadiyyah ".
After Quran, Sahifah is of the highest documentary, and one of the most important sources of monotheistic knowledge. The present research has been done via a descriptive - analytical method, based on text. If prayer is a display of love and affection for the eternal God, together with awe and trepidation to find out the presence and to attain the position of nearness and meeting God, it will be the ultimate goal of the Islamic educational system. By paying attention to Sahifah, one can deduce that prayer is of different types: The prayer of Saints is the expression of worship and divulgence of servitude; in such a case, prayer by itself is the same as granting. Sometimes, prayer is a means of reducing pain and suffering, or a tool for meeting the needs of life at all times. The prayer of the earthy man is trying to connect with the origin of the universe. The ontological foundation of prayer is the belief in a benevolent omnipotent and merciful God, and it's anthropological bases are paying attention to the divine nature, self-knowledge, and understanding of the needs and existential poverty of the human beings.