PRINCIPLE is likewise such a law for action, except that it has not the formal definite meaning, but is only the spirit and sense of law in order to … - Carl von Clausewitz

Every suspension of offensive action, either from erroneous views, from fear or from indolence, is in favor of the side acting defensively.

But if the assailant, without troubling himself about the existence of the Army awaiting his attack in a defensive position, advances with his main body by another line in pursuit of his object, then he 'passes by the position,' and if he can do this with impunity, and really does it, he will immediately enforce the abandonment of the position, consequently put an end to its usefulness.

peace is maintained by the equilibrium of forces, and will continue just as long as this equilibrium exists, and no longer.