'Unsullied' in the Bible

so that you may learn to recognize and treasure what is excellent [identifying the best, and distinguishing moral differences], and that you may be pure and blameless until the day of Christ [actually living lives that lead others away from sin];

to keep all His precepts without stain or reproach until the appearing of our Lord Jesus Christ,

[born anew] into an inheritance which is imperishable [beyond the reach of change] and undefiled and unfading, reserved in heaven for you,

Beloved, I am now writing you this second letter. In this [as in the first one], I am stirring up your untainted mind to remind you,