KJV: Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
YLT: Beloved, every spirit believe not, but prove the spirits, if of God they are, because many false prophets have gone forth to the world;
Darby: Beloved, believe not every spirit, but prove the spirits, if they are of God; because many false prophets are gone out into the world.
ASV: Beloved, believe not every spirit, but prove the spirits, whether they are of God; because many false prophets are gone out into the world.