Angelic non-determinism refers to the idea that there are elements of the universe that are beyond comprehension and are not subject to the usual laws of physics. There are various synonyms for this concept, including divine uncertainty, heavenly indeterminacy, and sacred randomness. These terms attempt to capture the sense of mystery that surrounds the universe and the idea that there are forces at work that we cannot fully understand or predict. Whatever term is used, the concept of angelic non-determinism reminds us of the limits of human understanding and the need for humility in the face of the unknown.