Buddhists have never agreed on an overall metaphysics. They have long agreed that prajñā – accurately seeing things according to the ultimate truth – is hugely important, but they differ greatly on what that ultimate truth is. The Theravāda Abhidhamma view says everything is ultimately reducible to smaller parts; the Madhyamaka says it’s ultimately just emptiness; the Yogācāra says it’s all mind; Chinese Huayan and Tiantai views have their own trippy takes.
