1. "You will not rise to the occasion you will default to your level of training.....How good was your training?"
2."A Handgun is a tool...a tool to fight your way back to the rifle or shotgun you should have had if you new you were going to be in a fight."
3."Smooth is fast. Speed is fine but accuracy is final.
4. When in a gunfight if you get hit NEVER give up keep fighting most people survive a hit with a handgun.
I've never attended any of the "tactical" schools--at least not the civilian schools. All of my experience was gained first in the military, then on various battlefields, then in law enforcement, then on the street.
I cannot give enough "+1" dittos to statement #1 and statement #4.
Knowing those two principles, living those two principles and always being cognizant of those two principles is vital.