I think of it in terms of a network of beliefs. In the network of beliefs about physics, and complete theory of everything would make all of the constituent bel

I think of it in terms of a network of beliefs. In the network of beliefs about physics, and complete theory of everything would make all of the constituent beliefs mesh together and support each other perfectly. For sure, there would still be questions, but the network would have been tidied up. Chemistry is already (I think?) in this position. There are no contradictions in the network of fundamental chemistry beliefs, even if there are some unknows in terms of practical issues.