Date: 1690, 1694, 1695, 1700, 1706

Surveying the "Powers of our own Minds" is like fathoming "the depths of the Ocean": "'Tis of great use to the Sailor to know the length of his Line, though he cannot with it fathom all the depths of the Ocean. 'Tis well he knows, that it is long enough to reach the bottom, at such Places as are ...

— Locke, John (1632-1704)

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: 1742

"But their hearts wounded, like the wounded air, / Soon close; where pass'd the shaft, no trace is found. / As from the wing no scar the sky retains, / The parted wave no furrow from the keel, / So dies in human hearts the thought of death."

— Young, Edward (bap. 1683, d. 1765)