Like unto people musing of their way,

Whose body lingers when the heart hath gone;

And lo! as near the dawning of the day,

Down in the west, upon the watery floor,

The vapor-fogs do Mars in red array,

Even such appeared to me a light that o’er

The sea so quickly came, no wing could match

Its moving. Be that vision mine once more.”

Purgatorio: Canto II.

“And thou, remembering well, with eye that sees