Do you see the story? do you see anything? it seems to me i am trying to tell you a dream -- making a vain attempt, because no relation of a dream can convey the dream-sensation, that commingling of absurdity, surprise, and bewilderment in a tremor of struggling revolt, that notion of being captured by the incredible which is of the very essence of dreams. . "

he was silent for a while.

". . no, it is impossible; it is impossible to convey the life-sensation of any given epoch of one's existence -- that which makes its truth, its meaning -- its subtle and penetrating essence. it is impossible. we live, as we dream -- alone. . "

what is the best way to summarize the central claim made in this passage?