2.9

Chapter: Wagin War 2.9
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Translation:

Bring war material with you from home, but forage on the enemy. Thus the army will have food enough for its needs.

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Commentary

It is always better to use your own weapons which you know well.

For food and other supplies, it can be very helpful if you can capture these from your enemy.

In business, this could translate into such as winning getting government funding and support away from competitors.