De Animalibus Insectis Libri Septem

An ornamental drop cap 'P' at the beginning of the text. The latter volume of Spinoza's works, which we now share with the learned, contains the posthumous remains, first published under the title B. d. S. Opera Posthuma Posthumous Works of Benedict de Spinoza, the series of which is exhibited after the preface. Published in 1677 (614 pages in quarto), in such a way that, after the index of contents, there follows a Compendium of the Hebrew Grammar, of 112 pages. Our previous volume anticipated the collection of letters, which in that first edition filled pages 395 through 614, in order that the volumes might become sufficiently equal in size. The rest, which remained, all now carefully reprinted, appear once again into the light.

Among these is the Ethics, the more copious and purer interpreter of a philosophy that, against the will of the author, is called Spinozism, especially to be weighed through the repeated meditations of wiser men. The path by which the author progressed to discover this Ethics is discerned from the Treatise on the Emendation of the Intellect, though it was not brought to a conclusion. This being considered, if anyone, even very far from the principles of the author...