Date: 1792

"They bade retentive memory on their mind / Impress each image, in distinctive lines / That mock'd erasure."

— Polwhele, Richard (1760-1838)

Date: 1796

"No drug, nor juice of all the acid tribe, / Can move the Tints, which Glassy Pores imbibe; / So no mean prejudice, no bribes, nor art, / Efface th' Impressions of an Upright Heart."

— Bishop, Samuel (1731-1795)

Date: w. 1798, 1803-4

"He had perceived the presence and the power / Of greatness, and deep feelings had impressed / Great objects on his mind with portraiture / And colour so distinct that on his mind / They lay like substances, and almost seemed / To haunt the bodily sense."

— Wordsworth, William (1770-1850)