Date: 1731

"And therefore it [the soul] is not present with it only as a Mariner with a Ship, that is, meerly Locally, or knowingly and unpassionately present, they still continuing two distinct Things; but it is vitally united to it, and passionately present with it. And therefore when the Body is hurt, th...

— Cudworth, Ralph (1617-1688)

Date: 1738

A person may be called the same person by "a continual Superaddition of the like Consciousness ... Just as a Ship is called the same Ship, after the whole Substance is changed by frequent Repairs; or a River is called the same River, though the Water of it be every Day new."

— Clarke, Samuel (1675-1729)

Date: 1759

"Dissembling Love his Temper may conceal, / But Wedlock will his hidden Soul unvail; / So distant Ships, at Sea, wear false Disguise, / But show true Colors, when they seize a Prize."

— Marriott, Thomas (d. 1766)

Date: 1789

"Then he assured me, that one sin unatoned for was as sufficient to damn a soul as one leak was to sink a ship."

— Equiano, Olaudah [Gustavus Vasa] (c. 1745-1797)