Meanings of unfading splendor in English

This is the Vale of God's unsearchable decree, the snow-white Spot, the Land of unfading splendor.

The lights of unfading splendor have so enveloped Him that all else but Thee is in His eyes but a shadow.

Bestow My wealth upon My poor, that in heaven thou mayest draw from stores of unfading splendor and treasures of imperishable glory.

They seem to me very happy along whose gallery the sunlight streams to their very feet, striking all the pictured walls into unfading splendor.

Release yourselves, O nightingales of God, from the thorns and brambles of wretchedness and misery, and wing your flight to the rose-garden of unfading splendor.