1 Corinthians 2:15
But the spiritual person [i.e., one who has the Holy Spirit] is able to discern all things [i.e., has the ability to make right judgments about things], and he himself [i.e., his conduct] cannot be [critically] discerned by any [unbelieving] man.
1 Corinthians 3:1
And I could not speak to you, brothers, as I would to spiritual people, but [I have to speak to you] as I would to worldly people, for you are immature children in [the fellowship of] Christ.
1 Corinthians 14:37
If any man thinks he is a prophet or has a spiritual gift, he should realize that the things I am writing to you are the Lord's commandment.
Galatians 6:1
Brothers, if any one of you is overwhelmed by a [particular] sin, those of you who are spiritually minded should [attempt to] restore such a person [to faithfulness]. But do it in a gentle way, being very careful that you yourself do not become tempted [to get involved in any sin].
1 Thessalonians 5:21
Put everything [i.e., speakers and their messages] to the test, [then] hold onto what is good.
1 John 4:1
Loved ones, do not believe [the message of] every spirit [i.e., every person claiming to be a teacher], but test the spirits [i.e., require proof that they and their message are genuine] to see whether they represent God [or not], because many false prophets have begun circulating throughout the world.
John 7:17
If anyone [really] desires to do what God wants, he will know whether my teaching comes from God or whether I am speaking on my own authority [only].
Acts 15:1-5
Certain men [i.e., believers, see verse 5] came down from Judea [to Antioch of Syria] and began teaching the brothers this: You cannot be saved unless you are circumcised according to the custom [required] by Moses.
Acts 16:3
Paul wanted him to travel with him [on a preaching mission] so he had him circumcised in order to avoid prejudice by the Jews in that area, for everyone knew that his father was a Greek.
1 Corinthians 4:5
So, do not judge anything until the appointed time, when the Lord returns [i.e., to do the judging]. He will both shed light on the hidden things done in the dark and make known the motives of people's hearts. Then each person [i.e., who deserves it] will receive praise from God.
Galatians 2:3-5
But they did not even require that Titus, a Greek [i.e., a Gentile] who was with me, become circumcised.
Ephesians 4:13-14
[This is to be done] until we all [eventually] arrive at unity of the faith and full knowledge of the Son of God; at complete [spiritual] maturity; at the [full] height of Christ's [spiritual] stature.
Philippians 1:10
Then you will be able to approve of [only] what is best and be sincere and without just blame on the day of Christ's [return],
Colossians 1:9
So, this is why, since the day we heard about these things, we do not stop praying for you and requesting that you people be filled [by God] with the knowledge of what He wants [for your lives], and with spiritual wisdom and understanding.
Hebrews 5:14
But "solid food" is for mature people, who because of using their [spiritual] senses, have become able to distinguish good from evil.