The Clavis or Key

s/t: An Exposition of Some Principal Matters and Words in the Writings of Jacob Boehme Sparrow, John. An Exposition of Some Principal Matters and Words in the Writings of Jacob Boehme. "But since the lovers desire a Clavis, or key of my writings, I am ready and willing to pleasure them in it, and will set down a short description of the ground of those strange words; some of which are taken from nature and sense, and some are the words of strange masters, which I have tried according to sense, and found them good and fit. I will write but a short description of the divine manifestation, yet as much as I can comprehend in brief; and expound the strange words for the better understanding of our books for the consideration and help of beginners.