There is a fundamental difference between religion, which is based on authority, [and] science, which is based on observation and reason. Science will win because it works.
Stephen HawkingIf there really is a complete unified theory that governs everything, it presumably also determines your actions. But it does so in a way that is impossible to calculate for an organism that is as complicated as a human being. The reason we say that humans have free will is because we can't predict what they will do.
Stephen Hawking