This is how we know that we belong to the truth and how we set our hearts at rest in his presence:
NIV
By this we shall come to know (perceive, recognize, and understand) that we are of the Truth, and can reassure (quiet, conciliate, and pacify) our hearts in His presence
AMP
And hereby we know that we are of the truth, and shall assure our hearts before him.
KJV
Who is it that overcomes the world? Only the one who believes that Jesus is the Son of God.
NIV
Who is it that is victorious over [that conquers] the world but he who believes that Jesus is the Son of God [who adheres to, trusts in, and relies on that fact]?
AMP
Who is he that overcometh the world, but he that believeth that Jesus is the Son of God?
KJV
As for you, see that what you have heard from the beginning remains in you. If it does, you also will remain in the Son and in the Father.
NIV
As for you, keep in your hearts what you have heard from the beginning. If what you heard from the first dwells and remains in you, then you will dwell in the Son and in the Father [always].
AMP
Let that therefore abide in you, which ye have heard from the beginning. If that which ye have heard from the beginning shall remain in you, ye also shall continue in the Son, and in the Father.
KJV
I do not write to you because you do not know the truth, but because you do know it and because no lie comes from the truth.
NIV
I write to you not because you are ignorant and do not perceive and know the Truth, but because you do perceive and know it, and [know positively] that nothing false (no deception, no lie) is of the Truth.
AMP
I have not written unto you because ye know not the truth, but because ye know it, and that no lie is of the truth.
KJV
And this is his command: to believe in the name of his Son, Jesus Christ, and to love one another as he commanded us.
NIV
And this is His order (His command, His injunction): that we should believe in (put our faith and trust in and adhere to and rely on) the name of His Son Jesus Christ (the Messiah), and that we should love one another, just as He has commanded us.
AMP
And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment.
KJV
Whoever believes in the Son of God accepts this testimony. Whoever does not believe God has made him out to be a liar, because they have not believed the testimony God has given about his Son.
NIV
He who believes in the Son of God [who adheres to, trusts in, and relies on Him] has the testimony [possesses this divine attestation] within himself. He who does not believe God [in this way] has made Him out to be and represented Him as a liar, because he has not believed (put his faith in, adhered to, and relied on) the evidence (the testimony) that God has borne regarding His Son.
AMP
He that believeth on the Son of God hath the witness in himself: he that believeth not God hath made him a liar; because he believeth not the record that God gave of his Son.
KJV
This is how love is made complete among us so that we will have confidence on the day of judgment: In this world we are like Jesus.
NIV
In this [union and communion with Him] love is brought to completion and attains perfection with us, that we may have confidence for the day of judgment [with assurance and boldness to face Him], because as He is, so are we in this world.
AMP
Herein is our love made perfect, that we may have boldness in the day of judgment: because as he is, so are we in this world.
KJV
The life appeared; we have seen it and testify to it, and we proclaim to you the eternal life, which was with the Father and has appeared to us.
NIV
And the Life [an aspect of His being] was revealed (made manifest, demonstrated), and we saw [as eyewitnesses] and are testifying to and declare to you the Life, the eternal Life [in Him] Who already existed with the Father and Who [actually] was made visible (was revealed) to us [His followers].
AMP
(For the life was manifested, and we have seen it, and bear witness, and shew unto you that eternal life, which was with the Father, and was manifested unto us;)
KJV
