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.

Romans 12:2

And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what {is} that good, and acceptable, and perfect, will of God.

Ephesians 5:10

Proving what is acceptable unto the Lord.

Luke 12:57

Yea, and why even of yourselves judge ye not what is right?

Acts 17:11

These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.

Philippians 4:8

Finally, brethren, whatsoever things are true, whatsoever things {are} honest, whatsoever things {are} just, whatsoever things {are} pure, whatsoever things {are} lovely, whatsoever things {are} of good report; if {there be} any virtue, and if {there be} any praise, think on these things. {honest: or, venerable}

Romans 12:9

{Let} love be without dissimulation. Abhor that which is evil; cleave to that which is good.

Revelation 3:3

Remember therefore how thou hast received and heard, and hold fast, and repent. If therefore thou shalt not watch, I will come on thee as a thief, and thou shalt not know what hour I will come upon thee.