midnight
... ` Open , open , Reverend Mother ! ' besought a multitude without . ' _ Quid multiplicati sunt gui tribulant me _ ! ' intoned Mary Antony , within ... ` Most dear and Reverend Mother , ' crooned Sister Mary Rebecca , at midnight , ` I have something of deepest importance to say ' -- ' _ Dixit insipiens _ , ' was Mary Antony 's appropriate response . Eh , and Sister Mary Rebecca , thinking none could observe her , had already been round , in the moonlight , and attempted to climb a tree . All the Reverend Mother 's windows were closely curtained ; but old Antony had her eye to a crack , and the sight of Sister Mary Rebecca climbing , made all the other trees to shake with laughter , but is not a sight to be described to the great Lord Bishop ... . Nay , then ! ''