"i believe," returned doctor manette, "that there had been a strong and extraordinary revival of the train of thought and remembrance that was the first cause of the malady. some intense associations of a most distressing nature were vividly recalled, i think. it is probable that there had long been a dread lurking in his mind, that those associations would be recalled say, under certain circumstances say, on a particular occasion. he tried to prepare himself in vain; perhaps the effort to prepare himself made him less able to bear it."