The Viking Laws

• 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 detial
• Use top-quality weapons
• Be prepared
• Keep weapons in good condition
• 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 keep
• Do not demand overpayment
• Arrange things so that you can return
• Keep the camp in order
• Keep things tidy and organized
• Arrange enjoyable activities that strengthen the group
• Make sure everybody does useful work
• Consult all member of the group for advice.

From Way of the Warroir Kid by Jocko Willink