Date: September 1, 1759.

"The mind cannot retire from its enemy into total vacancy, or turn aside from one object but by passing to another."

— Johnson, Samuel (1709-1784)

Date: 1760

"What's a meditation, but a collection of the reveries of a mind; and what is of a more moving nature than the mind--so far from thinking in train, it flies from one subject to another, with a rapidity inexpressible--from meditating upon the planetary system, it can with ease deviate into a medit...

— Sterne, Laurence (1713-1768) [attrib.]

Date: 1760

"Digressions too take place in philosophy; and oft we find the mind of a philosopher turns aside in a curve, flies off in a tangent, or springs up in a spiral line."

— Sterne, Laurence (1713-1768) [attrib.]

Date: w. c. 1759-1791

"And this in some measure accounts why there are some heads so strange and whimsical, without any fixed Ideas at all, some exceedingly heavy and confusd; some working and whirling along with amazing rapidity, depending in a great measure upon the different movements of the machine as it works and...

— Pratt, Jermyn (d. 1791)

Date: w. c. 1759-1791

"should it be granted me then that there is or may be such a machine or Gig in every mans head; that thus works and mills his Ideas, yet it may be questiond perhaps after all, what it is that can give it its first motion."

— Pratt, Jermyn (d. 1791)

Date: w. c. 1759-1791

"I will be the Director of no mans opinion but he who is anatomically acquainted with the processus Zygomaticus, the processus Hyloides, or the processius mammillaris; will easily grant me all this may be performd by the air that is received by the ear, or mouth only; so that it is reasonable to ...

— Pratt, Jermyn (d. 1791)

Date: 1761

"I can form a just comparison between those great objects and the little objects around me, in no other way than by transporting myself, at least in fancy, to a different station, from whence I can survey both at nearly equal distances, and thereby form some judgment of their real proportions."

— Smith, Adam (1723-1790)

Date: 1762

"The mind falls with a heavy body, descends with a river, and ascends with flame and smoke."

— Home, Henry, Lord Kames (1696-1782)

Date: 1762

"This vibration of the mind in passing and repassing betwixt things that are related, explains the facts above mentioned."

— Home, Henry, Lord Kames (1696-1782)

Date: 1762

"In the same manner, good news arriving to a man labouring under distress, occasions a vibration in his mind from the one to the other."

— Home, Henry, Lord Kames (1696-1782)