Steady in thy superb prerogative,

Thy inch of inkling,—nor once face the doubt

I' the sphere above thee, darkness to be felt?"

Yet my poor spark had for its source, the sun;

Thither I sent the great looks which compel

Light from its fount: all that I do and am

Comes from the truth, or seen or else surmised,

Remembered or divined, as mere man may:

I know just so, nor otherwise. As I know,

I speak,—what should I know, then, and how speak