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54 That thou mayest bear thy own shame, and mayest be confounded in all that thou hast done, in that thou art a comfort to them.
Walking represents living, and usually means living according to the true things taught to us by the Lord -- to "walk in His ways." When the Lord is pictured walking, it means life itself.
5 God will likewise destroy you forever. He will take you up, and pluck you out of your tent, and root you out of the land of the living. Selah.