Translation: Sun Tzu said: War is a national event, a military and civilian event, and a key to the country's survival, and it is impossible not to seriously study and study it.
2. Soldiers, however, are cunning.
Fighting with soldiers. It's not expensive for a long time
It's more important to make a quick decision than to last
5. Know your enemy and know yourself, and win every battle.
Reference: Sun Tzu's Art of War.