who alone holds immortality, and who inhabits the inaccessible light, whom no man has seen, nor even is able to see, to whom is honor and everlasting dominion. Amen
Other versions
King James Version
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.English Standard Version
who alone has immortality, who dwells in unapproachable light, whom no one has ever seen or can see. To him be honor and eternal dominion. Amen.New International Version
who alone is immortal and who lives in unapproachable light, whom no one has seen or can see. To him be honor and might forever. Amen.