Date: 1697

"As a Ship at Sea running swiftly thro the Waves, leaves behind a Track, which is almost as soon lost as made, so that no sign can be found of its Passage thro that fluid Element: So the moisture of the Brain may be susceptible of an Idea for the present, but 'tis not lasting, nor is there any si...

— D'Assigny, Marius (1643-1717)

Date: 1700

The "Trading Mind" must voyage over an Ocean, but "Resisting Rocks oppose th' Inquiring Soul, / And adverse Waves retard it as they Rowl."

— Pomfret, John (1667-1702)

Date: 1760-7

"But here, you must distinguish--the thought floated only in Dr. Slop's mind, without sail or ballast to it, as a simple proposition; millions of which, as your worship knows, are every day swiming quietly in the middle of the thin juice of a man's understanding, without being carried backwards o...

— Sterne, Laurence (1713-1768)