⁶ No one who abides in Him [who remains united in fellowship with Him—deliberately, knowingly, and habitually] practices sin. No one who habitually sins has seen Him or known Him.

¹⁶ They profess to know God [to recognize and be acquainted with Him], but by their actions they deny and disown Him. They are detestable and disobedient and worthless for good work of any kind.

Testimony of the Father

³⁷ And the Father who sent Me has Himself testified about Me. You have never heard His voice nor seen His form [His majesty and greatness—what He is like].

⁴ For certain people have crept in unnoticed [just as if they were sneaking in by a side door]. They are ungodly persons whose condemnation was predicted long ago, for they distort the grace of our God into decadence and immoral freedom [viewing it as an opportunity to do whatever they want], and deny and disown our only Master and Lord, Jesus Christ.