Finally...

Finally, if we cannot learn by either observation or reasoning, we must refer to someone else who has grasped the knowledge through observation or reasoning (albeit through one or more intermediaries) and follow their view. Naturally, we must first verify that person’s competence through observation or deduction if we ourselves cannot fathom the issue itself by such means. This is the collection of methods a person uses with the orientation of the system of creation.

Islam accredits all three ways, and the Noble Qur’an, which is the divine book of Islam, explicitly bases the call of God on the principles governing the world. It enjoins and leads us to a series of ideological and practical teachings necessitated by the relationship of humanity with the world and the universal order in general. The human civilization will sooner or later realize the necessity of believing in and effectuating these teachings.

This is the enduring (and true) religion, however most humans do not know.” [^1] Based on this, Islam enjoins us to adhere to knowledge and science and has prohibited following irrational and unscientific paths. It warns of speech and actions that are not in line with reason and necessitate following doubt, conjecture, carnal lusts, desires, feelings, and longings. ﴿ وَلاَ تَقْفُ مَا لَيْسَ لَكَ بِهِ عِلْمٌ... ﴾ “And follow not that of which you have no knowledge…” [^2] ﴿ ...

He describes the principles of the universal system, which He has created and manages, and the genesis and termination of the cosmos, which He directs.