The well-known Zen Buddhist phrase 'the finger pointing at the moon' refers to the means and the end, and the possibility of mistaking one for the other. Trevor Leggett says, 'the forms are the methods and they are very important as pointing fingers, but if we forget what they are for and they become, so to speak, the goal in their own right, then our progress is liable to stop. And if it stops, it retrogresses.' On the other hand there are those...