"The spirit of the brain, distilled by the heat of the imagination, like some chemical preparations, when exposed to the air, is apt to smoke, to take fire, to crack, and bounce, to the no small disturbance of the neighbourhood."
The Grub-Street Journal, No. 17
Martyn, Richard Russel and John. <u>Memoirs of the Society of Grub Street</u>. London: J. WIlford, 1737. &lt;<a href="http://books.google.com/books?id=M74PAAAAQAAJ">Link to Google Books</a>&gt;