New King James Version
They do not know, nor do they understand; They walk about in darkness; All the foundations of the earth are unstable.

King James Bible
They know not, neither will they understand; they walk on in darkness: all the foundations of the earth are out of course.

American Standard Version
They know not, neither do they understand; They walk to and fro in darkness: All the foundations of the earth are shaken.

Berean Study Bible
They do not know or understand; they wander in the darkness; all the foundations of the earth are shaken.

Douay-Rheims Bible
They have not known nor understood: they walk on in darkness: all the foundations of the earth shall be moved.

English Revised Version
They know not, neither do they understand; they walk to and fro in darkness: all the foundations of the earth are moved.

World English Bible
They don't know, neither do they understand. They walk back and forth in darkness. All the foundations of the earth are shaken.

Young's Literal Translation
They knew not, nor do they understand, In darkness they walk habitually, Moved are all the foundations of earth.

Psalm 82:5 Additional Translations ...