Speed on! pure draughts and genial air,
And verdant shade, await you there.
Oh, glimpse of heaven! to him unknown
That hath not trod the burning zone!
Forward they press—they gaze dismay’d—
The waters of the desert fade!
Melting to vapours that elude
The eye, the lip, they vainly woo’d.[201]
What meteor comes? A purple haze
Hath half obscured the noontide rays:[202]