It is universal natural system, the usual mode of the universe. Allah is not the author of discrimination, chaos and confusion. The kingdom is judicious, orderly, proven with facts, measurement and evidence. Living within the bound of such law we must obey it but also obey His command in order to be just, wise and responsible. That’s how it must be adhered in entirety, rather wishing to walk on the river or curing Type I with verses on Kewra water.
Dua’a is not a word to be found in nature’s law nor is about altering its course in anyone’s favor. Dua’a falls in the realm of belief, faith but importantly it is also about showing our worthiness through submission, so the thing prayed for and labored is meritoriously attained.
Is process of fulfilling Dua’a something external to the natural system? I guess not, if by uttering our wish list but passing its connected duty over to Him and saying Ameen.