2 Samuel 22:42
They looked, but there was none to save; even unto the Lord, but he answered them not.
Cross-reference
1 Samuel 28:6 shows God not answering Saul's inquiry—parallel to enemies crying to God in vain here.
Job 27:9 questions if God hears the wicked's cry—same principle of unanswered prayer for the rebellious here.
Proverbs 1:28 warns that those who reject wisdom will not be answered—echoing God's silence toward David's enemies here.
Isaiah 1:15 echoes God refusing to hear prayers because of sin—same theme of unanswered cries to the LORD.
Micah 3:4 directly parallels: 'they will cry to the LORD, but he will not answer'—nearly identical wording and context of judgment.
Matthew 7:23 gives the rejection: 'I never knew you'—direct parallel to crying but not being answered.
Luke 13:25 describes knocking but being refused entry—same dynamic of crying for help and being denied.
Psalm 18:41 is the identical verse from the parallel account of David's song—verbatim echo of the same line.
Ezekiel 20:3 shows God refusing to be inquired of by rebellious elders—similar to David's report of God not answering.