13. The quality of decision is like the well-timed
swoop of a falcon which enables it to strike and destroy
its victim.

14. Therefore the good fighter will be terrible
in his onset, and prompt in his decision.

15. Energy may be likened to the bending of a crossbow;
decision, to the releasing of a trigger.

16. Amid the turmoil and tumult of battle, there may
be seeming disorder and yet no real disorder at all;
amid confusion and chaos, your array may be without head
or tail, yet it will be proof against defeat.

17. Simulated disorder postulates perfect discipline,
simulated fear postulates courage; simulated weakness
postulates strength.

18. Hiding order beneath the cloak of disorder is
simply a question of subdivision; concealing courage under
a show of timidity presupposes a fund of latent energy;
masking strength with weakness is to be effected
by tactical dispositions.

this.