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Once Saved Always Saved (OSAS) or Eternal Once saved always saved - True-or-False?
Security is a false doctrine that teaches that a Christian cannot ever lose their salvation and end up in Hell, and that all born again Christians will go to Heaven no matter what. Scripture has much to say on the topic and its important that believers know how to rightly divide that truth on this issue.

Related:

Who-Goes-To-Heaven Scriptures — Narrow is the Way | Who are the Children of God? — “There is therefore now *no condemnation* to those who are IN CHRIST Jesus, who don’t WALK according to the flesh, but ACCORDING TO THE SPIRIT”