Why does God swear? Why does He bear witness to His creations?
The purpose of taking an oath is to solemnly promise to the truth, invoking a Divine witness. As no other being besides God is able to know of the unseen or judge a broken oath, an ordinary human being swears by God. However, the swearing of a person is not the same as the oath taken by God. When God bears witness to obvious phenomena like the day and night, He is in fact establishing evidence for His existence based on phenomena that have rational explanations.
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.