If we confess our sins, he is faithful and just and will forgive us our sins and purify us from all unrighteousness. (NIV)

If we [freely] admit that we have sinned and confess our sins, He is faithful and just (true to His own nature and promises) and will forgive our sins [dismiss our lawlessness] and [continuously] cleanse us from all unrighteousness [everything not in conformity to His will in purpose, thought, and action]. (AMP)

If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness. (KJV)

Dear friends, do not believe every spirit, but test the spirits to see whether they are from God, because many false prophets have gone out into the world. (NIV)

BELOVED, DO not put faith in every spirit, but prove (test) the spirits to discover whether they proceed from God; for many false prophets have gone forth into the world. (AMP)

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

They are from the world and therefore speak from the viewpoint of the world, and the world listens to them. (NIV)

They proceed from the world and are of the world; therefore it is out of the world [its whole economy morally considered] that they speak, and the world listens (pays attention) to them. (AMP)

They are of the world: therefore speak they of the world, and the world heareth them. (KJV)

But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus, his Son, purifies us from all sin. (NIV)

But if we [really] are living and walking in the Light, as He [Himself] is in the Light, we have [true, unbroken] fellowship with one another, and the blood of Jesus Christ His Son cleanses (removes) us from all sin and guilt [keeps us cleansed from sin in all its forms and manifestations]. (AMP)

But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin. (KJV)

Dear friends, let us love one another, for love comes from God. Everyone who loves has been born of God and knows God. (NIV)

Beloved, let us love one another, for love is (springs) from God; and he who loves [his fellowmen] is begotten (born) of God and is coming [progressively] to know and understand God [to perceive and recognize and get a better and clearer knowledge of Him]. (AMP)

Beloved, let us love one another: for love is of God; and every one that loveth is born of God, and knoweth God. (KJV)

Do not love the world or anything in the world. If you love the world, love for the Father is not in you. (NIV)

Do not love or cherish the world or the things that are in the world. If anyone loves the world, love for the Father is not in him. (AMP)

Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him. (KJV)

See what great love the Father has lavished on us, that we should be called children of God! And that is what we are! The reason the world does not know us is that it did not know him. (NIV)

SEE WHAT [an incredible] quality of love the Father has given (shown, bestowed on) us, that we should [be permitted to] be named and called and counted the children of God! And so we are! The reason that the world does not know (recognize, acknowledge) us is that it does not know (recognize, acknowledge) Him. (AMP)

Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not. (KJV)

My dear children, I write this to you so that you will not sin. But if anybody does sin, we have an advocate with the Father – Jesus Christ, the Righteous One. (NIV)

MY LITTLE children, I write you these things so that you may not violate God's law and sin. But if anyone should sin, we have an Advocate (One Who will intercede for us) with the Father--[it is] Jesus Christ [the all] righteous [upright, just, Who conforms to the Father's will in every purpose, thought, and action]. (AMP)

My little children, these things write I unto you, that ye sin not. And if any man sin, we have an advocate with the Father, Jesus Christ the righteous: (KJV)

For there are three that testify: (NIV)

So there are three witnesses in heaven: the Father, the Word and the Holy Spirit, and these three are One (AMP)

For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one. (KJV)

If we claim to be without sin, we deceive ourselves and the truth is not in us. (NIV)

If we say we have no sin [refusing to admit that we are sinners], we delude and lead ourselves astray, and the Truth [which the Gospel presents] is not in us [does not dwell in our hearts]. (AMP)

If we say that we have no sin, we deceive ourselves, and the truth is not in us. (KJV)