6 Bible Verses about Testing Spirits

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

to another the working of miracles; to another prophecy; to another the discerning of spirits; to another various kinds of tongues; to another the interpretation of tongues:

By this ye may know the Spirit of God: every Spirit that confesseth Jesus Christ, who is come in the flesh, is of God: and every spirit that doth not confess Jesus Christ, who is come in the flesh, is not of God: and this is that spirit of antichrist, which ye have heard was coming, and is already in the world. Ye are of God, little children, and have overcome them; because greater is He, that is in you, than he that is in the world.read more.
They are of the world; therefore they speak as men of the world, and the world heareth them. We are of God: he, that knoweth God, heareth us; but he, who is not of God, heareth not us. By this we know the Spirit of truth, and the spirit of error.

These were more ingenuous than those at Thessalonica; for they received the word with all readiness of mind, searching the scriptures daily, whether these things were so.

yet try all things, and hold fast that which is good.

and that from a child thou hast known the holy scriptures, which are able to make thee wise unto salvation, through faith in Christ Jesus: for all scripture is by inspiration from God, and is profitable for doctrine, for conviction, for correction, for instruction in righteousness; that the man of God may be complete, thoroughly fitted for every good work.