At the beginner of the text, we directly show that if we want to reach harmony,we also need to proportion. This make sense lots of work but it also creates arguably thing: Don’t we reach harmony without proportion? And in my opinion we can not limit that way of reaching harmony. I approve proportion is one of the best way for reach that but without caring proportion, we can also find a way to create harmony. Next pages author more talk about axis which creates harmony and use specific examples to make his thoughts more understandable. He refers nature’s perfectionist calculation, easible understanding proportion and accord. So he reach that clear statement with these referations. It reveals that new discussion topic about if we can’t read work-art easily, should we say that it’s not a succesful artpiece? On the other hand he said that pure creation of the mind is a product of clear statement,unity of the work,fundamental attitude and a character . I totally agree this opinion because ...