NET
7 by truthful teaching, by the power of God, with weapons of righteousness both for the right hand and for the left,
Darby
7 in [the] word of truth, in [the] power of God; through the arms of righteousness on the right hand and left,
KJV
7 By the word of truth, by the power of God, by the armour of righteousness on the right hand and on the left,