1 John 3.6
Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him.
There it is, those who abide in him do not sin. Can this be true of us?
Most translations add something close to "whosoever abides in him does not CONTINUE to sin."
I've been sinning for 66 years so I hope there is an alternate understanding of this text. There is.
By adding CONTINUE to sin you take away from John's method of writing. John uses opposites all the time, such as light/dark, sin/righteousness, life/death, etc. The solution to the apparent dilemma is known as Positional Truth. To abide "in him" is a reference to being in fellowship. When we are in fellowship and then sin, we are out of fellowship and must confess that sin to restore our fellowship with Christ.
When we are "in him" we are said to be in fellowship. We continue in fellowship until we knowingly sin. But we can not sin "in him" (in fellowship). What happens is told to us by James. Let's look at how James handles this:
1.14 But each one is tempted when he is lured and enticed by his own desires 1.15 Then when desire conceives, it give birth to sin...
When a believer is in fellowship, the only way he can sin is if he is lured out of the light of fellowship (in him) and into darkness. This is when he can sin. When he is in fellowship and abides in his new nature, he can not sin. He has to be lured out first before he is capable of sinning. So, John is saying that we can not sin at all, not that we can not keep on sinning. Note also in vs 5 where we are told that in him is no sin (not continually sinning, but sin).
I wrote a long article our here (or in some other forum) that dealt with Positional Truth. I there explain in more details what Position Truth is. For example, Paul says in Eph that we are seated with Christ in the heavenlies. We are not actually in heaven, but by virtue of Position Truth we enjoy all the benefits now, so much so that Paul says were ARE in heaven seated with Christ.