Real Preexistence:
Question.-- How many kinds of preexistence and of phenomena are there? (280:1)

Answer.-- Some sages and philosophers believe that there are two kinds of preexistence: essential preexistence and preexistence of time. Phenomena are also of two kinds, essential phenomena and that of time (280:2)

The second proposition is that existence and nonexistence are both relative. If it be said that such a thing came into existence from nonexistence, this does not refer to absolute nonexistence, but means that its former condition in relation to its actual condition was nothingness. For absolute nothingness cannot find existence, as it has not the capacity of existence. Man, like the mineral, is existing; but the existence of the mineral in relation to that of man is nothingness, for when the body of man is annihilated it becomes dust and mineral. But when dust progresses into the human world, and this dead body becomes living, man becomes existing. Though the dust-- that is to say, the mineral-- has existence in its own condition, in relation to man it is nothingness. Both exist, but the existence of dust and mineral, in relation to man, is nonexistence and nothingness; for when man becomes nonexistent, he returns to dust and mineral (281:1)

Therefore, though the world of contingency exists, in relation to the existence of God it is nonexistent and nothingness. Man and dust both exist, but how great the difference between the existence of the mineral and that of man! The one in relation to the other is nonexistence. In the same way, the existence of creation in relation to the existence of God is nonexistence. Thus it is evident and clear that although the beings exist, in relation to God and to the Word of God they are nonexistent. This is the beginning and the end of the Word of God, Who says: "I am Alpha and Omega"; for He is the beginning and the end of Bounty. The Creator always had a creation; the rays have always shone and gleamed from the reality of the sun, for without the rays the sun would be opaque darkness. The names and attributes of God require the existence of beings, and the Eternal Bounty does not cease. If it were to, it would be contrary to the perfections of God (281:2)

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Some Ans. Questions 1908
'Abdu'l-Baha