Preface to the Reader.

tables and a Clavis A "Clavis" is a key or index to technical terms., which are already printed in English. Yet, even so, they are considered very difficult to be understood.

I also, who have studied and traced his writings thoroughly, have found them difficult, but they exceed in reward the utmost pains that I could possibly bestow upon them. I find also that the understanding of them comes by degrees, and through frequent, loving conversation regarding all the parts and pieces he has written. Furthermore, I must say that this book, Aurora, has contributed more to open my mind to the understanding of all his writings, and of all mysteries, both natural and divine, and consequently of the Holy Scriptures, than any other help or book I could ever meet with besides.

*See this Aurora, Ch. 3. vers. 96.

The reader will also perceive this by a diligent perusal of this book, in a continued order from the beginning, and will find whatever his heart desires or has ever longed for. It is, as this author says near the end of the preface to this book:

The Wonder of the World.

Though it was not quite finished at the time when he wrote it, nor ever after—being that it was taken away and kept from him until he had written several complete treatises, and so, in them, that defect of the Aurora was supplied in abundant measure—for, instead of the 30 sheets which that book lacked to the end, there are written of the same mysteries, when he had more full knowledge and leave to declare it and set it down in writing, more than 300 sheets of paper, which contain all mysteries in...