What is "glittering generality"

n. An emotionally appealing term closely associated with highly-valued concepts and beliefs which convey or invoke conviction without supporting information or reason.

A glittering generality (also called glowing generality) is an emotionally appealing phrase so closely associated with highly valued concepts and beliefs that it carries conviction without supporting information or reason. Such highly valued concepts attract general approval and acclaim. Their appeal is to emotions such as love of country and home, and desire for peace, freedom, glory, and honor. They ask for approval without examination of the reason. They are typically used by politicians and propagandists.