Margaret promoted the idea of Neoplatonism, which is a philosophy that combines the ideas of Plato and Aristotle. Neoplatonism is based on the belief that there is a single, unchanging reality that is the source of all that exists. This reality is called the One, and it is beyond human understanding.
The Enchanting Reign of Margaret of Valois: How Well Do You Know the Queen Consort of France?