He that believes on the Son of God has the testimony in him self: he that believes not God, has made him a liar, because he has not believed the testimony which God has borne concerning his Son.

whenever our heart convicts us [in guilt]; for God is greater than our heart and He knows all things [nothing is hidden from Him because we are in His hands].

If we claim to have no sinful practices [in our lives], we are self-deceived and are not being truthful about the matter.

And the Life was made visible, and we have seen it and are bearing witness, and are bringing you word of that Eternal Life which was face to face with the Father and was made visible to us.

Beloved! now, are we, children of God; and, not yet, hath it been made manifest, what we shall be, - We know that, if it should be made manifest, like unto him, shall we be, because we shall see him, just as he is.