Claudian

“ Where other heavens o'er-arch another earth;
Whence forth he springs his wand'ring course to run,
Where Æthiop kingdoms blacken in the sun;
O'er the parch'd lands his cooling dews bestows,
And slakes the thirst of nations as he flows. ”

“ No helpful showers the mountain ridge supplies:
When other streams with wintry rains increase,
Then rests the Nile within his banks in peace:
When they in turn scarce trickle through the sand,
Then swells the Nile, and spreads o'er all the land. ”