Wisdom from war, ignored

Sadiq
It is a condition of wisdom in the archer to be patient
because when the arrow leaves the bow, it returns no more.
--Sa'di

It should make you shake and sweat,
nightmare you, strand you in a desert
of irrevocable desolation, the consequences
seared into the vein, no matter what adrenaline
feeds the muscle its courage, no matter
what cracking pain and anger
you carry in your fists, my friend,
it should break your heart to kill.

-- Brian Turner
"Here, Bullet"