qnli question: What did the query starter believe had been done by Mary's direct  maternal line that contradict the conception theory of immaculate for Mary ? sentence: Bernard would seem to have been speaking of conception in the active sense of the mother's cooperation, for in his argument he says: "How can there be absence of sin where there is concupiscence (libido)?" and stronger expressions follow, showing that he is speaking of the mother and not of the child.