The error of my ways...

Meaning

Acknowledging past mistakes.

Examples

• John: 'I understand you're feeling frustrated with me.'
• Alice: 'I am. You need to acknowledge <b>the error of your ways</b>.'
• John: 'Yes, and learning from <b>the error of your ways</b> will help avoid such problems in the future.'
• Alice: 'This situation is entirely my fault.'