2 Corinthians 7:1

Having therefore these promises, beloved friends, let us purify ourselves from all defilement of body and of spirit, and secure perfect holiness through the fear of God.

Philippians 3:12-16

I do not say that I have already won the race or have already reached perfection. But I am pressing on, striving to lay hold of the prize for which also Christ has laid hold of 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
Having therefore these promises, beloved friends, let us purify ourselves from all defilement of body and of spirit, and secure perfect holiness through the fear of God.
Philippians 3:12
I do not say that I have already won the race or have already reached perfection. But I am pressing on, striving to lay hold of the prize for which also Christ has laid hold of me.