Verses with the word perfection in the New Testament (4 verses):

Luke 8:14
And that which fell among thorns are they, which, when they have heard, go forth, and are choked with cares and riches and pleasures of this life, and bring no fruit to perfection.

2 Corinthians 13:9
For we are glad, when we are weak, and ye are strong: and this also we wish, even your perfection.

Hebrews 6:1
Therefore leaving the principles of the doctrine of Christ, let us go on unto perfection; not laying again the foundation of repentance from dead works, and of faith toward God,

Hebrews 7:11
If therefore perfection were by the Levitical priesthood, (for under it the people received the law,) what further need was there that another priest should rise after the order of Melchisedec, and not be called after the order of Aaron?