Date: 1710, 1714

""For according as these Passions veer, my Interest veers, my Steerage varies; and I make alternately, now this, now that, to be my Course and Harbour."

— Cooper, Anthony Ashley, third earl of Shaftesbury (1671-1713)

Date: 1713, 1734

"And although it may, perhaps, seem an uneasy reflexion to some, that when they have taken a circuit through so many refined and unvulgar notions, they should at last come to think like other men: yet, methinks, this return to the simple dictates of Nature, after having wandered through the wild ...

— Berkeley, George (1685-1753)

Date: January 1739

"I have already observed, in examining the foundation of mathematics, that the imagination, when set into any train of thinking, is apt to continue even when its object fails it, and, like a galley put in motion by the oars, carries on its course without any new impulse."

— Hume, David (1711-1776)

Date: 1774

"When an ingenious track of thinking presents itself, though but casually, to true genius, occupied it may be with something else, imagination darts alongst it with great rapidity; and by this rapidity its ardor is more inflamed. The velocity of its motion sets it on fire, like a chariot wheel wh...

— Gerard, Alexander (1728-1795)