Date: August 31, 1837

"For this self-trust, the reason is deeper than can be fathomed, — darker than can be enlightened."

— Emerson, Ralph Waldo (1803-1882)

Date: w. 1821, 1840

"Reason is to imagination as the instrument to the agent, as the body to the spirit, as the shadow to the substance."

— Shelley, Percy Bysshe (1792-1822)

Date: 1854

"I ha' lookn at't an thowt o' thee, Rachael, till the muddle in my mind have cleared awa, above a bit, I hope."

— Dickens, Charles (1812-1870)

Date: January, 1884

"The attempt at introspective analysis in these cases is in fact like seizing a spinning top to catch its motion, or trying to turn up the gas quickly enough to see how the darkness looks."

— James, William (1842-1910)

Date: January, 1884

"I wish that space were here afforded to show what, in most cases of rapid thinking, the fringe or halo is with which each successive image is enveloped."

— James, William (1842-1910)