Date: w. c. 1800, 1805

"These sudden eruptions of the passions of the multitude, spread, like the lava of a volcano, throughout all France, nor could men of correct judgment, who aimed only at reform of abuses, and a renovation in all the departments, check the fury of the torrent."

— Warren, Mercy Otis (1728-1814)

Date: 1854

"Nay, be a Columbus to whole new continents and worlds within you, opening new channels, not of trade, but of thought."

— Henry David Thoreau (1817-1862)

Date: 1854

"What was the meaning of that South-Sea Exploring Expedition, with all its parade and expense, but an indirect recognition of the fact, that there are continents and seas in the moral world to which every man is an isthmus or an inlet, yet unexplored by him, but that it is easier to sail many tho...

— Henry David Thoreau (1817-1862)

Date: 1854

"The surface of the earth is soft and impressible by the feet of men; and so with the paths which the mind travels."

— Henry David Thoreau (1817-1862)

Date: 1869

"His mind resembled chiefly the rugged and outstanding mountain, and yet it had characteristics which reminded you likewise of the gentle stream, flowing sweetly through the valley below."

— Sprague, William Buell (1795-1876)

Date: 1936

"Everything is sordid, shoddy, thin as pasteboard. A Coney Island of the mind."

— Miller, Henry (1891-1980)

Date: 1983

"Hume's account of mental happenings is geographical in the broadest sense, a description of human economy and ecology, not just a record of topography and a positioning of land masses but a marking of the tidal movements and trade routes of the mind as it negotiates for ease and stability."

— Richetti, John (b. 1938)

Date: July-August, 2008

"And now, thanks to the growing power that computer engineers and software coders wield over our intellectual lives, Taylor’s ethic is beginning to govern the realm of the mind as well."

— Carr, Nicholas (b. 1959)

Date: February 28, 2014

"A memory palace assembled ad hoc from brownstone apartments, underground caves and submarine compartments, or a diligently designed, continuously flowing and elegant old Alpine resort?"

— Itzkoff, Dave (b. 1976)

Date: September 19, 2014

"But concealment makes the soul a swamp. Confession is how you drain it."

— Blow, Charles (b. 1970)