This talk was recorded live at the All-In Summit 2023 at Royce Hall on UCLA's campus in Los Angeles. (0:00) Dave welcomes Stephen Wolfram to All-In Summit ‘23! (2:37) Computational irreducibility (4:58) The paradox of simple heuristics (6:49) AI (8:57) Cellular automata (14:10) Limitations of AI (18:13) Syntax, logic, LLMs and other high-potential AI realms (23:57) Generative AI and interconcept space (26:20) The nature of the universe (29:54) Electrons – size, topology and structure (31:18) Time, spacetime, gravity and the boundaries of human observers (36:53) Persistence and other elements of consciousness humans take for granted (38:09) The concept of the ruliad (41:33) Joy