What binds well-formed IT security policies

What binds well-formed IT security policies together is a sense of shared beliefs, purpose and urgency. Within your organization these can be achieved by establishing principles that create a shared vision, by empowering others to act and by institutionalizing support processes.   

• Describe the processes needed for maintaining and updating policies and standards
• Describe one security principle in which YOU think policy writers should keep in mind when developing security policies.  Why is this specific principle important?  Explain

- At least two quality references 

-Length of 1 and half page