Psalm 51 is a Psalm by King David of Israel, written in confession and repentance after Nathan the prophet came to him, after he had seduced Bathsheba. He asked God, Wash me. Cleanse me.
Psalm 51 type repentance and salvation
The only humans entering heaven’s gate will be those sinners who confessed their sinfulness – and yielded their will completely (100%) to Christ in that moment of salvation.