Many of the verses presented are provided in Scripture to understand the consequences of post-salvation sin for the believer.
2 Timothy 2:15
15 Be diligent to present yourself approved to God, a worker who does not need to be ashamed, rightly dividing the word of truth.
2 Timothy 3:16
16 All Scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness,