A poem is learned by heart and then not again repeated. We will suppose that after a half year it has been forgotten: no effort of recollection is able to call it back again into consciousness. (Hermann Ebbinghaus)

A poem is learned by heart and then not again repeated. We will suppose that after a half year it has been forgotten: no effort of recollection is able to call it back again into consciousness.

Hermann Ebbinghaus

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able call consciousness effort forgotten half heart poem recollection suppose year

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