The ancient world's most notorious groups - from mobsters to knights and samurai - lived by strict codes of conduct. These codes weren't just rules; they were guiding principles that simplified decision-making and created strong cultural identities.

The Sicilian Mafia's 10 Commandments, discovered in 2007 during the arrest of boss Salvatore Lo Piccolo, included:

• Never approach another member's wife
• Always tell the truth when asked
• Never associate with police
• Respect appointments absolutely
• Be available for Cosa Nostra as primary duty
• Treat wives with respect
• Avoid pubs and clubs
• Protect organization money
• Require third-party introductions
• Maintain strict membership standards

Similarly, Japanese Samurai followed Bushido ("The Way of the Warrior") with eight core principles:

• Righteousness
• Courage
• Benevolence
• Respect
• Honesty
• Honor
• Loyalty
• Self-Control

Modern Applications of Personal Codes

Having personal rules simplifies decision-making by:

• Eliminating decision fatigue
• Creating clear boundaries
• Reinforcing positive habits
• Building personal integrity

For example, successful diets often work because they're simply clear rules:

• Intermittent fasting: "Only eat between noon and 8pm"
• Paleo: "Eat like a caveman"
• Vegan: "No animal products"

Creating Your Personal Code

Develop rules that are:

• Specific and measurable
• Aligned with your values
• Realistic for your lifestyle
• Pass/fail in nature

Sample Rules Framework:

Professional:

• "Complete promised work on schedule or communicate delays early"

Health:

• "No alcohol except Fridays and Saturdays"
• "One TV episode per night maximum"

Social:

• "Send thank-you notes for all invitations"
• "No phone use during meals with others"

Tips for Success:

1. Write your rules down
2. Track adherence
3. Adjust rules that aren't working
4. Use technology to support your goals
5. Share your rules with others for accountability

Remember: Your personal code should reflect your values and situation. It's okay to modify rules as you grow and your circumstances change. The goal is to create guidelines that make decision-making easier and support your long-term success.

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