So in Orthodoxy, you don't know if you're saved. And everything that bespeaks God's promise of salvation, that is His grace, His predestination, His justification, His taking our sins onto Himself, His dying for us, anything that guarantees our salvation is to be denied because salvation is not guaranteed. And people should believe in this, why? The telltale sign of a man-centered, works-based soteriology: there is no doctrine of perseverance, no assurance of salvation.
Christ condemns protestant soteriology, assurance of salvation, and salvation by "faith alone" throughout the Gospels. Perhaps most clearly in the Parable of the Sheep and the Goats (Matthew 25:31-46):
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31 “When the Son of Man comes in his glory, and all the angels with him, he will sit on his glorious throne. 32 All the nations will be gathered before him, and he will separate the people one from another as a shepherd separates the sheep from the goats. 33 He will put the sheep on his right and the goats on his left.
34 “Then the King will say to those on his right, ‘Come, you who are blessed by my Father; take your inheritance, the kingdom prepared for you since the creation of the world. 35 For I was hungry and you gave me something to eat, I was thirsty and you gave me something to drink, I was a stranger and you invited me in, 36 I needed clothes and you clothed me, I was sick and you looked after me, I was in prison and you came to visit me.’
37 “Then the righteous will answer him, ‘Lord, when did we see you hungry and feed you, or thirsty and give you something to drink? 38 When did we see you a stranger and invite you in, or needing clothes and clothe you? 39 When did we see you sick or in prison and go to visit you?’
40 “The King will reply, ‘Truly I tell you, whatever you did for one of the least of these brothers and sisters of mine, you did for me.’
41 “Then he will say to those on his left, ‘Depart from me, you who are cursed, into the eternal fire prepared for the devil and his angels. 42 For I was hungry and you gave me nothing to eat, I was thirsty and you gave me nothing to drink, 43 I was a stranger and you did not invite me in, I needed clothes and you did not clothe me, I was sick and in prison and you did not look after me.’
44 “They also will answer, ‘Lord, when did we see you hungry or thirsty or a stranger or needing clothes or sick or in prison, and did not help you?’
45 “He will reply, ‘Truly I tell you, whatever you did not do for one of the least of these, you did not do for me.’
46 “Then they will go away to eternal punishment, but the righteous to eternal life.”
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Read that again and tell me that works don't matter, and that works play no role in our salvation.
The only reason I reply here is to dispel any confusion for those who might be new to these debates. Any 3rd party to this discussion should be able to see very clearly which position shines with the truth of Christ. Faith, Hope, and Love remain. And the greatest of these is Love (not Faith).
Protestantism is heresy and doesn't correspond at all to Christ's clear teachings in the Sacred Scriptures. Protestantism merely cherry picks Bible verses and then interprets them in a very narrow, modern fashion without taking into account the greater whole Biblical teaching.