Existence of allah swt

So I was just surfing the web. I was typing the number keys in my keyboard. Then suddenly a question appeared in mind. "Can Allah swt change the laws of maths and how it works?" I found an agnostic dude giving the answer below: "You're question implies you are thinking in terms of an anthropomorphic god. If you buy into this version of god then you will quickly find yourself asking questions that will puzzle you. 'If god is so powerful he could make a huge rock that he couldn't lift, but since he is god he should be able to lift it.' The fact that these types of questions arise is not necessarily due to there being no god, but that you are thinking of god in the wrong way. If you were to think of god as infinite and pervading everything then god cannot change anything because that which includes all cannot change. There is nothing to change into since that would mean that he is currently not something that he could change into. This leads to the concept of non-duality and the idea that the underlying reality has no separation within it. You can't call it a 'oneness' because one implies two. It is neither. Consequently, the idea of mathematics or logic becomes irrelevant at the deepest level of reality. The universe simply is now. You are like a wave in the ocean experiencing itself as separate from the ocean. The wave asks, ‘When and where will I find the ocean? Who can give the ocean to me?’ But the wave was always the ocean, from the very beginning, even in its seeking! It’s the ocean looking for itself. Even within the ocean’s failure to find itself it is still the ocean; every wave is one hundred per cent water. As all the authentic spiritual teachers have been telling us for hundreds and thousands of years, you already are that which you seek. 'The dude in the sky' concept of god is an easy idea to believe in and it is an easy idea to refute." Idk if my imaan is weak or not but I'm getting doubts. I know this isn't the right place to ask these questions but I'm getting thoughts like what's the point of life or what's point of living. PLEASE someone help me. What do our Islamic scholars say regarding his points? Jazakallahu Khair.