This quote by Harold Wilson is a call to action for the Labour Party in the United Kingdom. He is highlighting the value of the Party's moral values and principles, and how they should be the driving force behind their actions. He is recommending that if the Party does not stand for something ethically, then it is not worth anything. This quote is a reminder that the Labour Party need to constantly strive to do what is ideal and just, and not be swayed by political usefulness. It is a pointer that the Party ought to constantly represent something higher than itself, which it ought to be a force for great in society. This quote is a tip that the Labour Party should constantly aim to do what is right and simply, and not be swayed by political efficiency.