His Theologia Naturalis sive Liber naturae creaturarum, etc., written 1434–1436 but published in 1484, marks an important stage in the history of natural theology.
[4] The book was directed against the position then held by some, that reason and faith, philosophy and theology were antithetical and irreconcilable.
Raymond declares that the Book of Nature and the Bible are both divine revelations, the one general and immediate, the other specific and mediate.
xii., "Apology for Raymond de Sebonde") tells how he translated the book into French and found "the conceits of the author to be excellent, the contexture of his work well followed, and his project full of pietie ... His drift is bold, and his scope adventurous, for he undertaketh by humane and naturall reasons, to establish and verifie all the articles of Christian religion against Atheists.
"[2] The editio princeps of the book, which found many imitators, is undated but probably belongs to 1484; there are many subsequent editions, one by J. F. von Seidel as late as 1852.