Exodus 28:21 describes breastplate stones as signets (seals) — mirroring the beloved's desire to be a seal on the heart and arm.

Exodus 28:29 has Aaron bearing names on his heart before the Lord — directly paralleling 'set me as a seal upon your heart' for continual remembrance.

In 2 Corinthians 5:14, the love of Christ compels Paul — a love as powerful as death, which is the very claim made here about love's strength.

In Acts 21:13, Paul declares he is ready to die for Jesus' name — a concrete example of love being as strong as death, as stated here.

In Proverbs 6:34, jealousy's fury and vengeance directly echoes the cruel jealousy described here as strong as the grave.

Isaiah 49:16 says God has engraved Jerusalem on His palms — akin to being set as a seal on the arm, a permanent mark of belonging.

Jeremiah 22:24 warns that even a signet ring on God's right hand can be torn off — contrasting with the beloved's plea for an unbreakable seal.

Haggai 2:23 promises to make Zerubbabel a signet ring — echoing the request to be set as a seal, signifying chosenness and permanence.

In John 21:15-19, Jesus calls Peter to a love strong enough to lead to martyrdom, mirroring the statement that love is as strong as death here.

In Revelation 12:11, believers overcome by not loving their lives to death — echoing the theme of love stronger than death, here in a martyrdom context.

In 2 Corinthians 11:2, Paul's godly jealousy for the church parallels the intense love-jealousy here, using betrothal imagery.

In Acts 20:24, Paul counts his life as nothing for the gospel — a devotion as strong as death, echoing the love that is as strong as death here.

Proverbs 27:4 declares jealousy overwhelming—mirroring Song 8:6's 'jealousy is cruel as the grave.' Both highlight jealousy's intensity.

Deuteronomy 29:20 describes God's jealousy burning against sinners—parallel to Song's 'jealousy is cruel as the grave.' Both portray jealousy as consuming fire.

In Deuteronomy 32:21, God's jealousy over idolatry parallels the fierce jealousy here — though one is divine, the other human romantic love.

Exodus 28:9-12 describes onyx stones engraved like seals on the priest's shoulders — echoing the request to be set as a seal on the arm.

In 2 Timothy 2:19, the seal symbolizes God's secure ownership, echoing the permanence of love's seal here but applied to divine covenant.

Exodus 13:9 commands binding the law as a sign on hand and forehead—similar to Song 8:6's request for a seal on heart and arm. Both use binding imagery for devotion.