NIV: that is, the mystery made known to me by revelation, as I have already written briefly.
NAS: that by revelation there was made known to me the mystery, as I wrote before in brief.
KJV: How that by revelation he made known unto me the mystery; (as I wrote afore in few words,
GWT: You have heard that he let me know this mystery through a revelation. I've already written to you about this briefly.
ASV: how that by revelation was made known unto me the mystery, as I wrote before in few words,
BBE: How by revelation the secret was made clear to me, as I said before in a short letter,
DBY: that by revelation the mystery has been made known to me, (according as I have written before briefly,
DRB: How that, according to revelation, the mystery has been made known to me, as I have written above in a few words;
WBS: That by revelation he made known to me the mystery, as I wrote before in few words;
WEB: how that by revelation the mystery was made known to me, as I wrote before in few words,
YLT: that by revelation He made known to me the secret, according as I wrote before in few words --
Holy Bible, New International Version®, NIV® Copyright © 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide.
New American Standard Bible (NASB) Copyright © 1960, 1962, 1963, 1968, 1971, 1972, 1973, 1975, 1977, 1995 by The Lockman Foundation
GOD'S WORD Translation (GWT) Copyright © 1995 by God's Word to the Nations
Bible Hub