One of the earliest systematic schools of Islamic theology to develop was the Muʿtazila in the mid-8th century CE.[3][6] Muʿtazilites emphasized the use of reason and rational thought, positing that the injunctions of God are accessible through rational thought and inquiry, and affirmed that the Quran was created (makhlūq) rather than co-eternal with God, which would develop into one of the most contentious questions in the history of Islamic theology.[3][6] In the 10th century CE, the Ashʿarī school developed as a response to the Muʿtazila. Ashʿarītes still taught the use of reason in understanding the Quran, but denied the possibility to deduce moral truths by reasoning. This position was opposed by the Māturīdī school, which taught that certain moral truths may be found by the use of reason alone, without the aid of revelation.