Yıldızların Yargıları Sanatına Giriş

When I had seen a collection of certain ancients among the authors of the mastery of the judgments of the stars who had published books they called "Introductions" to this mastery, that is, the judgments of the stars, but that some among them had not diligently examined all the things that are necessary in this same mastery regarding those things that belong to an introduction, while others set forth those things that are necessary at too great a length; and because I perceived that what is necessary in it was lost in the excess. I had also observed that some, in the arrangement of the things they set forth, did not proceed along the path of proper discipline; I began to publish this book, and I established it as an introduction. And I collected in it from the sayings of the ancients whatever is necessary for this mastery in an introductory manner; and I did not introduce the arguments necessary for the dispute or defense of those things we have presented, since they are in the book of Ptolemy which is called the four treatises, and in my own book which I published for the confirmation of the mastery of the judgments of the stars. And I divided it into five distinctions.