Note 203 — Chapter IV · ON THE INTERNAL FORM AND STRUCTURE OF THE CELL

This is the old philosophic axiom writ large: Ignorato motu, ignoratur natura; which again is but an adaptation of Aristotle’s phrase, ἡ ἀρχὴ τῆς κινήσεως, as equivalent to the “Efficient Cause.” FitzGerald holds that “all explanation consists in a description of underlying motions”; Scientific Writings, 1902, p. 385.