"When we read how one mediæval saint stood erect in his cell for a week without sleep or food, merely chewing a planta…"

"What is true is alas not new, the new not true."

"Language is a system of conventional signs that can be voluntarily produced at any time."

"Mental states of every kind — sensations, feelings, images— which were at one time present in consciousness and then …"

"The musician writes for the orchestra what his inner voice sings to him; the painter rarely relies without disadvanta…"

"A poem is learned by heart and then not again repeated. We will suppose that after a half year it has been forgotten:…"

"The constant flux and caprice of mental events do not admit of the establishment of stable experimental conditions."

"The relation of repetitions for learning and for repeating English stanzas needs no amplification. These were learned…"

"The schoolboy doesn't force himself to learn his vocabularies and rules altogether at night, but knows that he must i…"

"Ideas which have been developed simultaneously or in immediate succession in the same mind mutually reproduce each ot…"