My advice to you, if you should ever be in a hold up, is to line up with the cowards and save your bravery for an occasion when it may be of some benefit to you.
I came in contact with every known Indian anarchist in London. Their bravery impressed me, but I felt that their zeal was misguided. I felt that violence was no remedy for India's ills, and that her civilisation required the use of a different and higher weapon for self-protection. - Hind Swaraj
Retreat itself is often a plan of resistance and may be a precursor of great bravery and sacrifice. Every retreat is not cowardice which implies fear to die.