This quote by Jonathan Miller recommends that science is an activity that is self-sufficient and does not rely on external sources for its progress. It indicates that science is an independent field of study that can base on its own and does not require to be supplemented by other disciplines. This is in contrast to other fields of study which might require the input of other disciplines in order to advance. The quote recommends that science is an effective and self-dependent activity that can progress without the need for external sources. It suggests that science is an effective and independent field of study that can stand on its own and does not need to be supplemented by other disciplines. This is a crucial point to think about when looking at the development of science and its capacity for further development.