"When we rehearse, we're always trying to aim for something else. But we never quite succeed in getting there"

In this quote, Colin Greenwood is revealing the constant struggle and pursuit of excellence in the procedure of practicing. He recommends that throughout practice sessions, the goal is constantly to reach a particular level or achieve a particular result, but regardless of their efforts, they never quite reach it. This could be translated as a reflection of the human condition, where we are constantly pursuing something much better, however are never ever fully pleased with our progress. It also highlights the value of continuous enhancement and the concept that there is constantly room for development and advancement. Overall, this quote talks to the continuous journey of self-improvement and the decision to constantly intend greater.