KJV - By Silvanus, a faithful brother unto you, as I suppose, I have written briefly, exhorting, and testifying that this is the true grace of God wherein ye stand.
ASV - By Silvanus, our faithful brother, as I account `him', I have written unto you briefly, exhorting, and testifying that this is the true grace of God. Stand ye fast therein.
BBE - I have sent you this short letter by Silvanus, a true brother, in my opinion; comforting you and witnessing that this is the true grace of God; keep to it.
WEB - Through Silvanus, our faithful brother, as I consider him, I have written to you briefly, exhorting, and testifying that this is the true grace of God in which you stand.
YLT - Through Silvanus, to you the faithful brother, as I reckon, through few `words' I did write, exhorting and testifying this to be the true grace of God in which ye have stood.