Date: 1745

"Ha! my Brain / Is all on fire! a wild Abyss of Thought!"

— Thomson, James (1700-1748)

Date: 1748, 1777

"Chaced from the open country, these robbers [i.e., superstitions] fly into the forest, and lie in wait to break in upon every unguarded avenue of the mind, and overwhelm it with religious fears and prejudices."

— Hume, David (1711-1776)

Date: 1751, 1777

"There seems here a necessity for confessing that the happiness and misery of others are not spectacles entirely indifferent to us; but that the view of the former, whether in its causes or effects, like sun-shine or the prospect of well-cultivated plains, (to carry our pretensions no higher), co...

— Hume, David (1711-1776)

Date: 1767

"Thus it appears to be in every respect a proper counterbalance to the RAMBLING and VOLATILE power of IMAGINATION. The one, perpetually attempting to soar, is apt to deviate into the mazes of error; while the other arrests the wanderer in its vagrant course, and compels it to follow the path of n...

— Duff, William (1732-1815)

Date: 1767

"Conscious of its native energy, it delights to expand its faculties by the most vigorous exertion, Ranging through the unbounded regions of nature and of art, it explores unbeaten tracks of thought, catches a glimpse of some objects which lie far beyond the sphere of ordinary observation, and ob...

— Duff, William (1732-1815)

Date: 1767

"A Writer however, of the kind last mentioned, instead of tracing the footsteps of his predecessors, will allow his imagination to range over the field of Invention, in quest of its materials; and, from the group of figures collected by it, will strike out a character like his own Genius, perfect...

— Duff, William (1732-1815)

Date: 1767

This ideal region is indeed the proper sphere of Fancy, in which she may range with a loose rein, without suffering restraint from the severe checks of Judgment; for Judgment has very little jurisdiction in this province of Fable."

— Duff, William (1732-1815)

Date: 1770

"Thus far we have endeavoured to distinguish and ascertain the separate provinces of Reason and Common Sense. Their connection and mutual dependence, and the extent of their respective jurisdictions, we now proceed more particularly to investigate."

— Beattie, James (1735-1803)

Date: 1771, 1776

"The mind untaught / 'Is a dark waste, where fiends and tempests howl; / 'As Phebus to the world, is Science to the soul."

— Beattie, James (1735-1803)

Date: 1774

"Imagination is still more inventive in all its other operations. It can lead us from a perception that is present, to the view of many more, and carry us through extensive, distant, and untrodden fields of thought. It can dart in an instant, from earth to heaven, and from heaven to earth; it can...

— Gerard, Alexander (1728-1795)