Hebrews 5:14
but firm food is for persons come to age, who by habit have their senses exercised to a discernment both of good and evil.
1 Corinthians 2:6
Yet we speak true wisdom among the perfect: though not the wisdom of this world, nor of the rulers of this world, who come to nought.
Ephesians 4:13
till we all arrive in the unity of the faith, and of the knowledge of the Son of God, at perfect maturity, even to the measure of the stature of the fulness of Christ.
Romans 14:1
Receive him that is weak in the faith, but not to disputes about doubtful matters:
Matthew 5:48
Be ye therefore perfect in love and goodness, as your Father who is in heaven is perfect.
Matthew 6:22-23
The eye is the light of the body: if therefore thine eye be clear, thy whole body will be light;
1 Corinthians 2:14-15
But the natural man receiveth not the things of the Spirit of God: for they are foolishness to him; and he cannot understand them, because they are spiritually discerned.
Ephesians 1:18
and enlighten the eyes of your understanding; that ye may know, what is the hope of his calling, and how rich the glory of his inheritance in the saints;
Philippians 1:9-10
And this I pray, that your love may abound yet more and more in knowledge and in all discernment;
Philippians 3:15
Let us therefore, as many as are perfect, attend to this: and if in any thing ye think differently, God will reveal this also unto you.
1 Thessalonians 5:21
yet try all things, and hold fast that which is good.
James 3:2
and if any offend not in word, he is a compleat man, able to manage also the whole body.