6 Bible Verses about Testing Spirits

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

to another the working of miracles; to another prophecy, to another discerning of spirits; to another diversity of languages; to another the interpretation of languages.

by this you may distinguish the spirit of God: "every spirit that confesseth that Jesus Christ is come in the flesh, is from God. and every spirit that does not own that Jesus Christ is come in the flesh, is not from God." this is that anti-christian spirit which you have heard was to come, and even now it appears in the world. ye are of God, my dear children, and you have overcome them: because he that is in you, is superior to him that is in the world.read more.
they are of the world: therefore their doctrine is worldly, and the world are their disciples. we are of God: he that knoweth God, heareth us; he that is not of God, heareth not us. by this we distinguish the spirit of truth from the spirit of imposture.

the Jews there were of a more generous temper than those of Thessalonica: for they very readily embrac'd their doctrine, and daily examin'd, whether it was conformable to the scriptures.

bring every thing to the test: if it be proof, abide by that:

and that from your infancy you were acquainted with the sacred writings, which point you the way to salvation, by believing in Christ Jesus: for all divinely inspired writings are conducive to instruction, to conviction, to reformation, and the practice of virtue; that the minister of God may be perfectly accomplished for every office of religion.