Here are 2 Bible verses about past lives, curated from both the Old and New Testaments of the Holy Bible, King James Version, arranged from most to least relevant.
Hebrews 9:27 KJV
27 And as it is appointed unto men once to die, but after this the judgment:
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2 Corinthians 5:8 KJV
8 We are confident, I say, and willing rather to be absent from the body, and to be present with the Lord.