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: 1911

" I have no material clay to mould to the given shape; the only thing which one has for the purpose, and which acts as a substitute for it, a kind of mental clay, are certain metaphors modified into theories of aesthetic and rhetoric."

— Hulme, T. E. (1883-1917)

Date: 1922

"When the two gases previously mentioned are mixed in the presence of a filament of platinum, they form sulphurous acid. This combination takes place only if the platinum is present; nevertheless the newly formed acid contains no trace of platinum, and the platinum itself is apparently unaffected...

— Eliot, T. S. (1888-1965)