Quote by Anaximenes
"Observation combined with reasoning produces knowledge; either alone produces only illusion."
More from Anaximenes
"Air is the fundamental substance of all things, and from it all things arise and into it all things return."
"Just as the human soul, being air, holds us together, so do air and breath encompass the entire cosmos."
"The infinite air surrounds all things and gives them life and motion."
"Change is the nature of all things; what appears still is merely slowly transforming."