NET
16 He alone possesses immortality and lives in unapproachable light, whom no human has ever seen or is able to see. To him be honor and eternal power! Amen.
Darby
16 who only has immortality, dwelling in unapproachable light; whom no man has seen, nor is able to see; to whom [be] honour and eternal might. Amen.
KJV
16 Who only hath immortality, dwelling in the light which no man can approach unto; whom no man hath seen, nor can see: to whom [be] honour and power everlasting. Amen.