because the truth which dwells in us shall be with us for eternity
Other versions
King James Version
For the truth's sake, which dwelleth in us, and shall be with us for ever.English Standard Version
because of the truth that abides in us and will be with us forever:New International Version
To the chosen lady and her children, whom I love in the truth--and not I only, but also all who know the truth--because of the truth, which lives in us and will be with us forever: