ZiMoONt saith: Whatsoever thou hast uttered, O Jargos, is true, yet I do not see that the whole Turba hath spoken concerning the rotundum.* Then he: Speak, therefore, thine opinion concerning it, O Zimon! Zimon saith: I notify to posterity that the rotundum turns into four elements, and is derived out of one thing.t The Turba answereth: Inasmuch as thou art speaking, explain for future generations the method of ruling. And he: Willingly: it is necessary to take one part of our copper, but of Permanent Water three parts; then let them be mixed and cooked until they be thickened and become one stone, concerning which the envious have said: Take one part of the pure body, but three parts of copper of Magnesia; then commingle with rectified vinegar, mixed with male of earth; close the vessel, observe what is in it, and cook continuously until it becomes earth.