Date: 1790, 1794, 1795, 1818, 1827

"For man has closed himself up, till he sees all things thro' narrow chinks of his cavern."

— Blake, William (1757-1827)

Date: 1791, 1806

"Oh! horrid Night! / Thou prying Monitor confest! / Whose key unlocks the human breast, / And bares each avenue to mental sight!"

— Robinson [Née Darby], Mary [Perdita] (1758-1800)

Date: 1800

"Every sense was an inlet of pleasure, because it was an avenue to knowledge; and my soul brooded over the world of ideas, and glowed with exultation at the grandeur and beauty of its own creations"

— Brown, Charles Brockden (1771-1810)