Date: 1772

"No inference can give a juster idea of Des Cartes's doctrine of automata, than Mr. Regis's comparison of some hydraulic machines, to be seen in certain grottos and fountains, that serve as ornaments to the splendid mansions of the great; where water exerts itself by the disposition of the pipes,...

— Anonymous

Date: 1790

"Their view calls off his attention from his own view; and his breast is, in some measure, becalmed the moment they come into his presence. This effect is produced instantaneously and, as it were, mechanically; but, with a weak man, it is not of long continuance."

— Smith, Adam (1723-1790)