English Standard Version
before I go—and I shall not return— to the land of darkness and deep shadow,

American Standard Version
Before I go whence I shall not return, Even to the land of darkness and of the shadow of death;

Berean Study Bible
before I go—never to return—to a land of darkness and gloom,

Douay-Rheims Bible
Before I go, and return no more, to a land that is dark and covered with the mist of death:

English Revised Version
Before I go whence I shall not return, even to the land of darkness and of the shadow of death;

King James Bible
Before I go whence I shall not return, even to the land of darkness and the shadow of death;

World English Bible
before I go where I shall not return from, to the land of darkness and of the shadow of death;

Young's Literal Translation
Before I go, and return not, Unto a land of darkness and death-shade,

Job 10:21 Additional Translations ...