Several years ago I bought this postcard from Olso airport.
be brave and aggressive
- be direct
- grab all opportunities
- use varying methods of attack
- be versatile and agile
- attack one target at a time
- don't plan everything in detail
- use top quality weapons
be prepared
- keep weapons in good shape
- keep in shape
- find good battle comrades
- agree on important points
- choose one chief
be a good merchant
- find out what the market needs
- do not promise what you can't deliver
- do not demand overpayment
- arrange things so you can return
keep the camp in order
- keep things tidy and organized
- arrange enjoyable activities which strengthen the group
- make sure everyone does useful work
- consult all members of the group for advice
