Date: 1901-2, 1902

"Speaking generally, our moral and practical attitude, at any given time, is always a resultant of two sets of forces within us, impulses pushing us one way and obstructions and inhibitions holding us back. "Yes! yes!" say the impulses; "No! no !" say the inhibitions."

— James, William (1842-1910)

Date: 1902

"Looking back upon our own thought, we observe no Subject, like an admiral on the bridge of his flagship, dictating and controlling, some man above the man or in the man; we only note a process of development which requires no such assumption."

— Spiller, Gustav (1864-1940)

Date: 1902

"Shall we insist that the brain is to be isolated like a leper, that with it alone no permanent and predicable modifications follow from activity, though in both instances the effects are precisely similar and are produced in exactly the same manner?"

— Spiller, Gustav (1864-1940)

Date: 1905

"'Know then, I cannot from my breast expel / 'A strong Impression fated there to dwell"

— Crabbe, George (1754-1832)

Date: 1908

"Ideas rose in crowds; I felt them collide until pairs interlocked, so to speak, making a stable combination."

— Poincaré, Henri (1854-1912)

Date: 1911

"Sleep scatters you; sensations come storming along into the dreamer's mind, and he is a prey to each in turn."

— Lewis, Edwin Herbert (1866-1938)