How about the beginner official script in Liu Bingsen's copybook?

Yes, as long as it is convenient and accessible, as long as it is useful to yourself. With certain experience and theory, you can read the original post and get its spirit. Don't listen to God, thinking that only the original post is enough, just like asking you to read the original works of Nietzsche and Kant directly. Can we understand? Look at what the experts have interpreted first, and then look at what they have translated.