ASV: holding the mystery of the faith in a pure conscience.
BBE: Keeping the secret of the faith in a heart free from sin.
DBY: holding the mystery of the faith in a pure conscience.
KJV: Holding the mystery of the faith in a pure conscience.
WEY: but holding the secret truths of the faith with a clear conscience.
WBS: Holding the mystery of the faith in a pure conscience.
WEB: holding the mystery of the faith in a pure conscience.
YLT: having the secret of the faith in a pure conscience,
