the name of a great genius, because he could not make the power of his sword subservient to a higher judgment and philosophy--could not attain by it to a glorious object.

We do not give that title to Henry IV.

(of France), because he did not live long enough to set at rest the relations of different States by his military activity, and to occupy himself in that higher field where noble feelings and a chivalrous disposition have less to do in mastering the enemy than in overcoming internal dissension.
In order that the reader may appreciate all that must be comprehended and judged of correctly at a glance by a General, we refer to the first chapter.

We say the General becomes a Statesman, but he must not cease to be the General.

He takes into view all the relations of the State on the one hand; on the other, he must know exactly what he can do with the means at his disposal.
As the diversity, and undefined limits, of all the circumstances bring a great number of factors into consideration in War, as the most of these factors can only be estimated according to probability, therefore, if the Chief of an Army does not bring to bear upon them a mind with an intuitive perception of the truth, a confusion of ideas and views must take place, in the midst of which the judgment will become bewildered.
In this sense, Buonaparte was right when he said that many of the questions which come before a General for decision would make problems for a mathematical calculation not unworthy of the powers of Newton or Euler.
What is here required from the higher powers of the mind is a sense of unity, and a judgment raised to such a compass as to give the mind an extraordinary faculty of vision which in its range allays and sets aside a thousand dim notions which an ordinary understanding could only bring to light with great effort, and over which it would exhaust itself.