I could turn to no other plans for the future.
Could I give up the hope of learning the secret of the Great Eyrie?
No! I would return to the attack a dozen times if necessary, and despite every failure.
Surely, the winning of access within those walls was not a task beyond human power.

A scaffolding might be raised to the summit of the cliff; or a tunnel might be pierced through its depth.

Our engineers met problems more difficult every day.

But in this case it was necessary to consider the expense, which might easily grow out of proportion to the advantages to be gained.

A tunnel would cost many thousand dollars, and what good would it accomplish beyond satisfying the public curiosity and my own?
My personal resources were wholly insufficient for the achievement.
Mr.Ward, who held the government's funds, was away.