There are three sources of Divine knowledge: 1. Knowledge by the way of certainty of inference 2. Knowledge by the certainty of sight, and 3. Knowledge of certainty by experience.
God requires us to ponder and reflect and does not require us to accept anything which is outside our capacity of reasoning. If one is able to attain knowledge based on assumption or conjecture, it can be called having knowledge by way of certainty of inference. This type of knowledge is not based on direct sight or experience, rather is based on reasoning and information.
Find out more about this lesson in the book The Philosophy of the Teachings of Islam.
The author of this landmark exposition, the Promised Messiah and Imam Mahdi, His Holiness Hazrat Mirza Ghulam Ahmad was the reformer of the latter days, who came to unite mankind and revitalise the true teachings of Islam. He is the founder of the Ahmadiyya Muslim Community. He wrote more than 80 books and delivered hundreds of lectures throughout his lifetime that sought to spread the true message of a peaceful Islam.
The Philosophy of the Teachings of Islam explains the wisdom and principles of various facets of spirituality and how they impact our lives. The book explores the physical, moral and spiritual states of man; proofs of the existence of God; the state of man after death; sources of Divine knowledge; and provides an excellent introduction to the study of Islam.
The book is available to download free on iBooks, Amazon, Google, or from Al Islam.