Tarsis Humphreys (Alliance): What tips do you have for me to make my Jiu-Jitsu as tight as yours?
Roger Gracie (Gracie Barra): The way I see it you shouldn't train just for training's sake. It's about the objective you create for yourself with every workout. Of course there are days when your training doesn't yield that much: all you did was go to the gym. But you need to direct your training toward something specific, some improvement. If all you do is roll, you don't work specifically on what you do wrong. One needs to carry out specific training for each position ...
From "The monster up against the wall: Eight of 2010's world champions interview Jiu-Jitsu's first three-time absolute world champion," Gracie magazine #160, August 2010.