Crossed ever and anon by plank or[440] arch;
And, for like use, lo! what might seem a zone
Chosen for ornament—stone matched with stone
In studied symmetry, with interspace
For the clear waters to pursue their race
Without restraint. How swiftly have they flown,
Succeeding—still succeeding! Here the Child
Puts, when the high-swoln Flood runs fierce and wild,
His budding courage to the proof; and here
Declining Manhood learns to note the sly