No more than, probably, Swann himself could I succeed in knowing my own happiness, and when Gilberte once broke out: "Who would ever have said that the little girl you watched playing prisoners' base, without daring to speak to her, would one day be your greatest friend, and you would go to her house whenever you liked?" she spoke of a change the occurrence of which I could verify only by observing it from without, finding no trace of it within myself, for it was composed of two separate states on both of which I could not, without their ceasing to be distinct from one another, succeed in keeping my thoughts fixed at one and the same time.