If fighting is sure to result in victory, then you must fight, even though the ruler forbid it; if fighting will not result in victory, then you must not fight even at the ruler's bidding.
Sun TzuThus the skilful general conducts his army just as though he were leading a single man, willy-nilly, by the hand.
Sun TzuThe essential factor of military success is speed, that is taking advantage of others' unpreparedness or lack of foresight, their failure to catch up, going by routes they do not expect, attacking where they are not on guard. This you cannot accomplish with hesitation.
Sun TzuThus, though I have heard of successful military operations that were clumsy but swift, cleverness has never been seen associated with long delays.
Sun Tzu