They believe in the UNSEEN. (world) - Seen and Unseen worlds are the two material and spiritual worlds that are VIS-A-VIS and opposite to each other. To believe in the - UNSEEN which is concealed of our senses, is the first step of separating the believers from the unbelievers; and it holds the followers of the Divine Religions, against those who reject faith in God, and in the INSPIRATION, and RESURRECTION.

      Therefore the first qualification mentioned here for the VIRTUOUS, is that they believe in the UNSEEN. (WORLD)

      Those who believe in the UNSEEN, do believe that the creator of this UNIVERSE has an infinite knowledge and power over all things. He is Eternal and Everlasting and controls all through His power and understanding.

      They believe the Death doesn't mean non-existence and annihilation. It rather is a window that opens to a more extensive world. though a materialist may believe that the life and the world is limited to what we can see and touch and feel, and the natural Laws and Rules are effective without any plan, aim, or programme. They believe that Death gives an end to everything, and reduces us to nothing!

      Are these two groups of man comparable to each other? Of course not. Because the first party can not avoid his good wishes, and doing good to other people, but the second group sees no reason for doing that. Therefore in the world of the BELIEVER, there is brotherhood and piety, there is help and mutual understandings, while in its opposite world there is colonization and exploitation, blood-shed and plunder and robbery. They have named their RETROGRESSIONS and moving backward as CIVILIZATION, and social development!

      The Arabic word GHAIB (translated to UNSEEN) is a very comprehensive word and in some traditions it has also been interpreted to mean the ABSENT EMAM AL-MAHDI (AS).