A conceived thing is doubly a product of mind, more a product of mind, if you will, than an idea, since ideas arise, so to speak,by the mind's inertia and conceptions of things by its activity. Ideas are mental sediment; conceived things are mental growths.
George Santayana, Marianne S. Wokeck, Martin A. Coleman, James Gouinlock (2011). “The Life of Reason or The Phases of Human Progress: Introduction and Reason in Common Sense, Volume VII, Book One”, p.103, MIT Press
