Story 1: In the Life of St. Nephon of Constantia we read about how he had a certain vision of the Final Judgement. In this vision the following is revealed:
"After them entered a large number of idolaters* who did not know the law of Christ, but by nature observed it by obeying their conscience. Many glowed like the sun because of their purity and goodness, and the Lord gave them Paradise and radiant crowns braided with roses and lilies.
[*It is suspected that this refers not to those who worshipped idols, but concerning those who worshipped the true God while belonging to the idolatrous nations. See, for example, the 36th Homily of St. John Chrysostom on the Gospel of Matthew - editor.]
However, they were blind since they had been denied Holy Baptism. They could not see the glory of God at all, because Holy Baptism is the light and the eye of the soul. That's why, he who does not receive it, even if he does an infinite amount of good, he certainly inherits the bliss of paradise and experiences something of its fragrance and sweetness, but he sees nothing."
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Story 2: Likewise we read in the Life of the Hermitess St. Athanasia Logacheva (a disciple of St. Seraphim of Sarov) the following account of what the Saint witnessed when she died and later was sent back to life:
"When I died, the ceiling and roof of your house were opened, and two youths came down to me in white garments, being girded about with the golden oraria of deacons. They took me by the arms and raised me up through the open roof. Before us stretched a road straight to a church. The outside church doors opened by themselves, and we entered the church.
The Royal Gates likewise opened, and they led me into the Holy Altar, where they made three prostrations, kissed the holy Cross and Gospel on the altar-table, and commanded me to do the same. The top of the altar area opened, and the youths ascended and took me with them.
Before us lay, as it were, a road through the clouds, along which we went. On both sides of the road angel-like youths were walking, singing spiritual songs. I understood them somewhat, but I cannot communicate it. They had candles in their hands. Then a field opened up before us, which was covered with golden gardens...
At the edge of the field was visible an immense house with a multitude of chimneys, without any windows; from every chimney a child's hand could be seen. 'What is this?' I asked the youths accompanying me. 'In this house,' they replied, 'are the souls of the dead children who are not baptized, who, although they do not endure tortures, are still deprived of light. Holding up their hands, they ask if the Second Coming of Christ will be soon, for after this their lot will be changed for the better.'
Then we came to a sea, over which we crossed as on dry land. To the right I saw splendid gardens, in whose trees birds of paradise were sitting and singing with inexpressible pleasantness. To the left was visible a dark cliff where people dark and black in appearance were crowded together, persecuted by merciless angels. Blows were heard as from a shepherd's stick, together with the terrible cries of the persecuted one..."
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In both of the above accounts we witness that those who are not baptized, even if they were delivered from the eternal punishments, "could not see the glory of God" and "see nothing" (from the first story); and "are deprived of light" while awaiting an improvement after the Second Coming of Christ when their "lot will be changed for the better."