Authors:

But flies an eagle flight, bold and forth on, Leaving no tract behind.

William Shakespeare, Edmond Malone, James Boswell, Mr. Theobald (Lewis), Samuel Johnson (1821). “The Plays and Poems of William Shakspeare: With the Corrections and Illustrations of Various Commentators”, p.148
But flies an eagle flight, bold and forth on, Leaving no tract behind.