Daniel 6:14
Then the king, when he heard these words, was sore displeased with himself, and set his heart on Daniel to deliver him: and he laboured till the going down of the sun to deliver him.
Cross-reference
In Daniel 6:23, the king's distress turns to joy when Daniel is saved — the direct narrative resolution.
Daniel 3:13 shows Nebuchadnezzar's furious reaction to similar defiance — in contrast, Darius here is distressed and seeks to rescue Daniel.
Matthew 27:17-24 shows Pilate's similar struggle: he wants to release Jesus but yields to the crowd's demands, echoing Darius's distress.
Mark 6:26 describes Herod's sorrow over his oath, paralleling Darius's distress over the unchangeable decree.
Luke 23:13-21 repeats Pilate's efforts to release Jesus despite pressure — a direct parallel to Darius's struggle to save Daniel.
John 19:7-12 shows Pilate's fear of political consequences if he releases Jesus, mirroring Darius's entrapment by the unchangeable law.
In Matthew 14:9, Herod is also sorry about his oath but yields — contrasting Darius who labors to overturn his decree.