Misinterpretations often portray Daniel's greeting as compromising his faith through flattery or idolatry toward the king, ignoring its role as standard courtly etiquette in ancient Persia that signified loyalty without worship; others isolate the phrase from its context in verses 22-23, overlooking the explicit credit to God's deliverance, or take it literally as endorsing eternal life for rulers, missing its hyperbolic blessing customary in royal address.
Daniel 6:21
King James Version (1769)
21 Then said Daniel unto the king, O king, live for ever.
Daniel's words to King Darius upon emerging unharmed from the lions' den convey a traditional Persian expression of respect and well-wishing for the king's enduring prosperity and life, demonstrating that unwavering faithfulness to God not only results in divine protection but also allows for maintaining honorable relations with earthly authorities, as Daniel immediately follows with testimony of God's angelic intervention.