The secret of great battles consists in knowing how to deploy and concentrate at the right time.

The art of war consists in being always able, even with an inferior army, to have stronger forces than the enemy at the point of attack or the point which is attacked.

The art of war consists in bringing to bear with an inferior army a superiority of force at the point at which one attacks or is attacked.

It is contrary to the usages of war to cause your parks or heavy artillery to enter a defile, the opposite extremity of which is not in your possession; since, in the event of a retreat". they will embarrass you and be lost. They ought to be left in position, under a suitable escort, until yoU have made yourself master of thetermination of the defile.

Nothing is more important in war than unity in command. When, therefore, you are carrying on hostilities against a single power only, you should have but one army acting on one line and led by one commander.

The keys of a fortress are always well worth the retirement of the garrison when it is resolved to yield only on those conditions. On this principle it is always wiser to grant an honorable capitulation to a garrison which has made a vigorous resistance than to risk an assault.