All art involves conscious discipline. If one is going to paint, do sculpture, design a building or write a book, it will involve discipline in time and energy — or there would never be any production at all to be seen, felt or enjoyed by ourselves or others. To develop ‘Hidden Art’ will also, of course, take time and energy – and the balance of the use of time is a constant individual problem for all of us: what to do, and what to leave undone. One is always having to neglect one thing in order to give precedence to something else. The question is one of priorities” (p. 32).