In historical books predating the Incarnation of Our Lord Jesus Christ by several centuries, we read of the history of Adam and Eve. There, among other things, it is said, that the Word that created Adam and Eve, i.e. Our Lord Jesus Christ, the Word (Jn 1:1-17), would come to save them. And many other things are explicitly declared by the Great Patriarch Adam and Great Matron Eve; that Christ Our Lord would receive Gifts of Gold, of Incense, of Myrrh at His Birth; that these would be buried along with the body of Adam and taken by the kings. That the body of Adam is to be buried in Jerusalem, where one day in the future it will be discovered. There is a Church in Jerusalem, near Golgotha or Calvary, the Place of the Skull, where Tradition hands down that Adam is buried and his skull is kept; till it is revealed by God at the opportune time, i.e. after many naysayers and non-Christains today deny even the very historical existence of Adam 7500 years ago. For us Christians, we must remember the historical Promise, that God would become Man to save Adam and his children from hell.
"CHAP. II.
Adam and Eve faint upon leaving the Garden. God sends His word to encourage them.
BUT when our father Adam, and Eve, went out of the garden, they trod the ground on their feet, not knowing they were treading.
2 And when they came to the opening of the gate of the garden, and saw the broad earth spread before them, covered with stones large and small, and with sand, they feared and trembled, and fell on their faces, from the fear that came upon them; and they were as dead.
3 Because--whereas they had hitherto been in the garden-land, beautifully planted with all manner of trees--they now saw themselves, in a strange land, which they knew not, and had never seen.
4 And because at that time they were filled with the grace of a bright nature, and they had not hearts turned towards earthly things.
5 Therefore had God pity on them; and when He saw them fallen before the gate of the garden, He sent His Word unto father Adam and Eve, and raised them from their fallen state."
https://www.sacred-texts.com/bib/fbe/fbe007.htmCHAP. III.
Concerning the promise of the great five days and a half.
GOD said to Adam, "I have ordained on this earth days and years, and thou and thy seed shall dwell and walk in it, until the days and years are fulfilled; when I shall send the
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[paragraph continues]Word that created thee, and against which thou hast transgressed, the Word that made thee come out of the garden and that raised thee when thou wast fallen.
2 Yea, the Word that will again save thee when the five days and a half are fulfilled."
3 But when Adam heard these words from God, and of the great five days and a half, he did not understand the meaning of them.
4 For Adam was thinking that there would be but five days and a half for him, to the end of the world.
5 And Adam wept, and prayed God to explain it to him.
6 Then God in His mercy for Adam who was made after His own image and similitude, explained to him, that these were 5,000 and 500 years; and how One would then come and save him and his seed."
https://www.sacred-texts.com/bib/fbe/fbe008.htm