A number of rules or lessons in life proposed by Donald Rumsfeld in his book based on his forty years’ experience in public office. Most rules suggest using one’s judgement and persevering for the causes one believes in.
Diagrams

Originated from/Coined by
Donald Rumsfeld
Further Reading/ References
https://www.heinzmarketing.com/2013/09/rumsfelds-rule-in-less-than-10-minutes/
https://www.politico.com/story/2013/05/donald-rumsfeld-new-book-091349
