1 Thessalonians 5:21

Prove all things; hold fast that which is good.

Proverbs 28:5

Evil men understand not judgment: but they that seek the LORD understand all {things}.

Hebrews 5:14

But strong meat belongeth to them that are of full age, {even} those who by reason of use have their senses exercised to discern both good and evil. {of full age: or, perfect} {use: or, an habit, or, perfection}

1 John 4:1

Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.

1 Corinthians 14:37

If any man think himself to be a prophet, or spiritual, let him acknowledge that the things that I write unto you are the commandments of the Lord.

Galatians 6:1

Brethren, if a man be overtaken in a fault, ye which are spiritual, restore such an one in the spirit of meekness; considering thyself, lest thou also be tempted. {if: or, although}

Ephesians 4:13-14

Till we all come in the unity of the faith, and of the knowledge of the Son of God, unto a perfect man, unto the measure of the stature of the fulness of Christ: {in: or, into} {stature: or, age}

Philippians 1:10

That ye may approve things that are excellent; that ye may be sincere and without offence till the day of Christ; {approve: or, try} {are...: or, differ}