Date: 1902

"If it were otherwise, no one could even set down on paper a closely reasoned argument, for the attention would be skipping like a stone hurrying down a sharp incline, or it would be moving hither and thither like a helpless shuttlecock at the mercy of eager players."

— Spiller, Gustav (1864-1940)

Date: 1911

"I shall here have to change my metaphor a little to get the process in his mind. Suppose that instead of your curved pieces of wood you have a springy piece of steel of the same types of curvature as the wood. Now the state of tension or concentration of mind, if he is doing anything really good...

— Hulme, T. E. (1883-1917)

Date: 1992

"Only behind a waterfall of brutal and pleasurable sensations, thought Patrick, accepting the leather-clad menu without bothering to glance up, could he hide from the bloodhounds of his conscience. . There, in the cool recess of the rock, behind that heavy white veil, he would hear them yelping a...

— Edward St. Aubyn (b. 1960)

Date: 1992

"Or--he must stop thinking about it--or [his consciousness seemed] like a solution of saturated copper sulphate under the microscope, when it suddenly transforms and crystals break out everywhere on its surface."

— Edward St. Aubyn (b. 1960)

Date: 1995

"Soul is the place, / stretched like a surface of millstone grit between body and mind, / where such necessity grinds itself out"

— Carson, Anne (b. 1951)

Date: 1999

"On its own this trigger, as we can see from the earlier definition, is not going to generate consciousness. Imagine a candyfloss machine with a stick in the centre that then gathers more and more candyfloss as time goes on. Think of the epicentre as the stick in the centre, the burgeoning candy...

— Greenfield, Susan (b. 1950)

Date: 2000

"I glimpsed a molten core to consciousness, a protean heat where everything could be reshaped. Yes, a molten core, like the core of the earth, deeper than the deposits of civilisation, beyond the complacencies of archaeology."

— Edward St. Aubyn (b. 1960)