2 Corinthians 7:1

[So], since we have these promises [See 6:16-18], dear ones, we should purify ourselves from everything that pollutes [our] body and spirit while living lives completely separated [from sin], out of reverence for God.

Philippians 3:12-16

[It is] not that I have already arrived at the goal [of spiritual maturity], or have already been made perfectly [righteous], but I am pushing onward in order to take hold of what Christ Jesus took hold of me for [i.e., to receive all that Christ intended for me].

Treasury of Scripture Knowledge

Summary

Let your heart therefore be perfect with the LORD our God, to walk in his statutes, and to keep his commandments, as at this day.

Bible References

Perfect

2 Corinthians 7:1
[So], since we have these promises [See 6:16-18], dear ones, we should purify ourselves from everything that pollutes [our] body and spirit while living lives completely separated [from sin], out of reverence for God.
Philippians 3:12
[It is] not that I have already arrived at the goal [of spiritual maturity], or have already been made perfectly [righteous], but I am pushing onward in order to take hold of what Christ Jesus took hold of me for [i.e., to receive all that Christ intended for me].