Review the article. How do you think is the following relates to scientific knowledge?
"Leave, therefore, manifold and superfluous things, and take quicksilver, coagulate in the body of Magnesia, in Kuhul, or in Sulphur which does not burn; make the same nature white, and place it upon our Copper, when it becomes white. And if ye cook still more, it becomes red, when if ye proceed to coction, it becomes gold".