… you should win before you go to war. And that when you lose a war, it’s because you haven’t prepared adequately. Also, that you shouldn’t fight without there being clear goals. You have to have some reason to go to war. Also, that anger is something one should be very cautious about when it comes to warfare. That it shouldn’t be a pretext to warfare.
The Art of Drawing ‘The Art of War’ https://nyti.ms/2lYxqAl