יָבֵ֥שׁ חָצִ֖יר נָ֣בֵֽל צִ֑יץ וּדְבַר־אֱלֹהֵ֖ינוּ יָק֥וּם לְעוֹלָֽם׃ (ס)
The grass withereth, the flower fadeth; But the word of our God shall stand for ever.’
Read kabbalistic (mystical) interpretation of Isaiah 40:8: and classical mystical sources.