Mathematics
- Pico della Mirandola, Conclusiones sive Theses DCCCC, 11th Mathematical Thesis: "By numbers, a way is had, to the searching out and understanding of everything able..."
- John Dee, Preface to Euclid, 39 (d.iij.) — On the Architect: "Architectura (sayth Vitruuius) est Scientia pluribus disciplinis & varijs eruditionibus ornata: cuius Iudicio probantur omnia, quæ ab cæteris..."
- Plato, Epinomis, 978.d: "Since Heaven never stops making these bodies ply their course night after night and day..."
- Aristotle, Metaphysics, Book I, 987a13-19: "The Pythagoreans, while they likewise spoke of two principles, made this further addition, which is..."
- Aristotle, Metaphysics, Book XIV, 1090a20-5: "The Pythagoreans, on the other hand, observing that many attributes of numbers apply to sensible..."
- Vitruvius, De Architectura, Book I, Chapter I, Paragraphs 1-3: "The architect should be equipped with knowledge of many branches of study and varied kinds..."
- Vitruvius, De Architectura, Book V, Chapter V, Paragraphs 1-3: Plan of the Theatre: "The plan of the theatre itself is to be constructed as follows. Having fixed upon..."
- Ramon Lull, Ars Brevis, Combinatory Wheel, Quarta Figura: [Visual Content]
- Uncategorized, Illustration, Earth and Moon Square the Circle: [Visual Content]
- Uncategorized, Illustration, Entrance to Gerum Church: [Visual Content]