Adam Clarke on Ezekiel 18:20

The soul that sinneth, it shall die - Hitherto we have had to do with the simple cases or the righteous and the wicked; of him who lived and died a holy man, and of him who lived and died a wicked man. But there are two cases behind:

1. That of the wicked man, who repents and turns to God.

2. That of the righteous man, who backslides, and does not return to God by repentance. On both these cases God decides thus: -