What is the Islamic response to the atheist demand for 'proof' of God?

The Islamic response to the atheist demand for 'proof' of God often emphasizes the inherent evidence of God's existence in the creation itself and the limitations of human understanding. In Islamic thought, the existence of Allah is supported by the observation of the universe and its order.

For instance, it is argued that For the people of understanding as proof of the existence of Allah it is enough that He has created all things and has kept them under His full control. It is enough proof that He is the most powerful King. It is enough proof that His Majesty is manifest everywhere. His light is brightest; His testimony is the most truthful. There is enough proof of His existence in what the people speak and what the messengers have brought and what He has revealed to people as proof of His own existence. Al-Kafi 1:216. This perspective indicates that the very existence of the universe, with its complexity and order, serves as a testament to a Creator.

Furthermore, the Quran also addresses the demand for tangible evidence. In Surah Al-An'aam, the Prophet Muhammad ﷺ is depicted as stating: Say: I am (relying) on clear proof from my Lord, while ye deny Him. I have not that for which ye are impatient. The decision is for Allah only. He telleth the truth and He is the Best of Deciders. 6:57. This verse highlights the belief that faith is not solely based on visible proof but also on the clear signs and truths revealed by Allah.

Moreover, the Shia perspective, as noted in Al-Mizan, indicates that the prophets were often challenged to provide miraculous signs as proof of their prophethood, which reflects a common human demand for tangible evidence. They argue that the divine messages and the signs presented by the prophets serve as sufficient proof for those who are willing to reflect and understand.

In summary, Islamic teachings assert that the existence of God is evident in creation and the order of the universe, while also recognizing the limitations of human perception and understanding in grasping the divine reality.