The Great Tang's Prime Minister Yuan

How should I put it? Let me be the first to give a good review. In short, maybe I have read too few books, so I think it is a good book. Of course, you can also refute me. Why is it said to be a good book? Because it has no system and is not like other time-travel novels. As a civilian, you can make paper today and other things tomorrow, and be proficient in everything. Moreover, how should I put it, the protagonist of this book has slowly changed step by step from the beginning to the later stage. Oh my, I don't know what to say. Go and see for yourself