From Kircher’s Ars Magna Sciendi (1669).
In his search for a scientific approach to the classification of all branches of knowledge and to invent a scientific approach for finding and expressing universal truth, Kircher drew this diagram which expresses:
1,273,726,838,815,420,339,851,343,083,767,005,515,293,749,454,795,408,000,000,000,000 combinations.
