What is a term for mentally perceiving something that doesn't actually exist? Given the previous question, write a context that contains the answer. It can be 1 - 20 sentences. Context:
The teachings on the Four Noble Truths are regarded as central to the teachings of Buddhism, and are said to provide a conceptual framework for Buddhist thought. These four truths explain the nature of dukkha (suffering, anxiety, unsatisfactoriness), its causes, and how it can be overcome. The four truths are:[note 4]