The stars run in their courses, in billions of galaxies, orbited by planets which are orbited by moons, and if they did not do so in ways which are predictable -- that is with many recurring similarities -- science would not exist. Predictability to some degree or other is the foundation of science. Those italics emphasize an extension of previous demands by science, which insisted on absolutes. Quantum physics took that down, and in the process angered Albert Einstein. But, still and all, even in the subatomic world one can safely play the odds. You cannot predict what any given...
