2 Corinthians 7:1

As these promises are ours, beloved, let us cleanse ourselves from every defilement of body and of spirit, and perfect our holiness in the fear of God.

Philippians 3:12-16

I do not say that I have already won, or am already perfect, but I am passing on to lay hold on 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
As these promises are ours, beloved, let us cleanse ourselves from every defilement of body and of spirit, and perfect our holiness in the fear of God.
Philippians 3:12
I do not say that I have already won, or am already perfect, but I am passing on to lay hold on the prize for which also Christ has laid hold of me.