You can achieve only that which you will do.
Don't do anything in practice that you wouldn't do in the game.
Nobody whoever gave their best ever regretted it.
Nobody who ever gave his best regretted it.
You might reduce Lombardi's coaching philosophy to a single sentence: In any game, you do the things you do best and you do them over and over and over.
If you live long enough, lots of nice things happen.