Here are 2 Bible verses about sympathy, curated from both the Old and New Testaments of the Holy Bible, King James Version, arranged from most to least relevant.
Ephesians 4:32 KJV
32 And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ’s sake hath forgiven you.
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Matthew 5:4 KJV
4 Blessed are they that mourn: for they shall be comforted.