"A river may as soon be made to flow back to its fountain, as volitions can be exempted from the necessitating influence of motives."
Remarks on the XXI. Chapter of Locke's Essay on Human Understanding [from Essays, Philosophical, Historical, and Literary]
William Belsham, <u>Essays, Philosophical, Historical, and Literary</u> (London: Printed for C. Dilly, 1789). &lt;<a href="http://books.google.com/books?id=Z6Y0AAAAMAAJ">Link to Google Books</a>&gt;