> We already know that no theory is complete and perfect, so we can say the same thing about any theory. If you mean this as an appeal to Gödel’s incompletenes

> We already know that no theory is complete and perfect, so we can say the same thing about any theory. If you mean this as an appeal to Gödel’s incompleteness results, the things those show can’t happen aren’t the same kinds of things that a “fully complete theory of physics” would have to satisfy. That’s not to say that I expect that we will ever (in this world) have a complete description of the physics of this world, But I’m quite confident that Gödel’s incompleteness theorems do not pose a fundamental barrier to the laws of physics of a world being perfectly known by entities in that world.