"Make Yourself Harder To Hurt."
"Someday, someone may kill you with your own gun, but they should have to beat you to death with it because it is empty."
"Do not attend a gunfight with a handgun the caliber of which starts with anything smaller than a '4'."
"Hold up your right hand. Do you solemnly swear to uphold... oh, this is ridiculous. You're deputized. Grab some gear, I'll get the horses" Wyatt Earp, to Doc Holliday, before the gunfight at the O.K. Corral
"Be polite. Be professional. But, have a plan to kill everyone you meet."
Bryn's Rules for Unarmed Combat: 1) "Never be unarmed." 2) "Refer to Rule #1."