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.
A prince who is not himself wise cannot be wisely advised. . . . Good advice depends on the shrewdness of the prince who seeks it, and not the shrewdness of the prince on good advice.
Louis Pasteur, the great scientist, said "chance favours the prepared mind", which is a posh way of saying 'do your homework', but it's an excellent piece of advice.