first lay plans which will ensure victory, and then lead your army to battle;  if you will not begin with stratagem but rely on brute strength alone, victory will no longer be assured

To begin by bluster, but afterwards to take fright at the enemy's numbers, shows a supreme lack of intelligence.

Be stern in the council-chamber, [Show no weakness, and insist on your plans being ratified by the sovereign.] so that you may control the situation.

At first, then, exhibit the coyness of a maiden,  until the enemy gives you an opening; afterwards emulate the rapidity of a running hare, and it will be too late for the enemy to oppose you.

When an invading force crosses a river in its onward march, do not advance to meet it in mid-stream.  It will be best to let half the army get across, and then deliver your attack.

Ground on which we can only be saved from destruction by fighting without delay, is desperate ground.

Attack him where he is unprepared, appear where you are not expected.

If his forces are united, separate them.

do many calculations lead to victory, and few calculations to defeat