Or swiftly confluent imaginings,

Or great Potentialities (which thrive

On weakness,—for the doubtful gains on doubt

As doubt grows yet more weakly in its doubt!)

I may achieve to speech with this old man,

Tho’ barrel-hooped with yellow waistcloth,—propped

By king’s-cord on the nether, nerveless knees,

He seems yet unattainable: the sky,

Th’ imponderate vast æther—every star

Have by the climbing-ladder brain of man