The relation of repetitions for learning and for repeating English stanzas needs no amplification. These were learned by heart on the first day with less than half of the repetitions necessary for the shortest of the syllable series.
Hermann EbbinghausThe school-boy doesnt force himself to learn his vocabularies and rules altogether at night, but knows that be must impress them again in the morning.
Hermann EbbinghausOne needs but to say that, in the case of an unfamiliar sequence of syllables, only about seven can be grasped in one act, but that with frequent repetition and gradually increasing familiarity with the series this capacity of consciousness may be increased
Hermann EbbinghausThe constant flux and caprice of mental events do not admit of the establishment of stable experimental conditions.
Hermann Ebbinghaus