I think the question of Adolph Hitler repenting on his death bed would be rather moot? Some food for thought: 2Ti 3:14. But as for you, continue in what you have learned and have firmly believed, knowing from whom you learned it 2Ti 3:15. and how from childhood you have been acquainted with the sacred writings, which are able to make you wise for salvation through faith in Christ Jesus. 2Ti 3:16. All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, 2Ti 3:17. that the man of God may be complete, equipped for every good work. We have a wonderful treasury of Godly guidance in the Bible, let's not be dismissive of it in the least. Is it so bad, so distasteful to be corrected by the counsel of the Lord?