41 Preface أَم عِندَهُمُ الغَيبُ فَهُم يَكتُبونَYusuf AliOr that the Unseen1 in it their hands, and they write it down?The Unseen in the spiritual world is a subject of Revelation, though it works through the common everyday life of man. The men who reject Revelation simply because it is outside their own experience ought on the contrary to try to learn about it and seek to understand it.