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: January, 1884

"I propose in this article to supplement Mr. Sully's chapter on the Illusions of Introspection, by showing what immense tracts of our inner life are habitually overlooked and falsified by our most approved psychological authorities."

— James, William (1842-1910)

Date: 1885

"For example, to express our ideas concerning their physical basis we use different metaphors--stored up ideas, engraved images, well-beaten paths."

— Ebbinghaus, Hermann (1850-1909)

Date: 1928, 1978

"Only the copied text thus commands the soul of him who is occupied with it, whereas the mere reader never discovers the new aspects of his inner self that are opened by the text, that road cut through the interior jungle forever closing behind it: because the reader follows the movement of his m...

— Benjamin, Walter (1892-1940)

Date: 1936

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

— Miller, Henry (1891-1980)

Date: 1947, 1958

"Religion, ethics, metaphysics – these are merely the 'spiritual' and 'inner' festivals of human anguish, ways of channelling the black waters of anxiety – and towards what abyss?"

— Lefebvre, Henri (1901-1991)

Date: 1949

"The mind is its own place and in his inner life each of us lives the life of a ghostly Robinson Crusoe."

— Ryle, Gilbert (1900-1976)

Date: 1952

De la partie la plus noire de mon âme, à travers la zone hachurée me monte ce désir d'être tout à coup blanc [Out of the blackest part of my soul, through the zone of hachures, surges up this desire to be suddenly white].

— Fanon, Frantz (1925-1961)