Ephesians 6:24

Grace be with all them that love our Lord Jesus Christ in sincerity. Amen. (AV)
Grace be with all them that love our Lord Jesus Christ in uncorruptness. (RV)
Ephesians 6:24.

Many Christians don't tend to dwell on the apostle's sign-offs, they appear to be nothing more than a "cheerio", "cheers", or "God bless" and the like. I have also been guilty of such, for we tend to dwell on, and study what we consider to be the more 'weightier' verses, forgetting that there is much instruction in these parting salutations, for they are all inspired words.
From this verse alone it doesn't take too much straining of the grey matter as it were to understand that it is possible to love the Lord in insincerity, or corruptness.

Among the most frightening verses in the Bible are the Lord's words in Matt.7:21-23, where those whom owned Him as Lord hear those awful words, I never knew you: depart from Me, ye that work iniquity. They were never His! yet for all their 'good' works which they thought they had done in their various ministries, healing, deliverance, prophesying etc, were all in vain! Let us not think that it is only the Word of Faith charlatans He is addressing here, the parallel verses in Matt.25:41-46, contain the same scolding words to those who claimed prison visiting among their 'good' works!

I know of some Christians who have visited prisoners in their 'prisons' (hotels!) in our day, I believe just to tick that particular box off! Now, as for prison visiting back in the the bygone ages when prisons were prisons....