eleven o'clock
The proverb says , If you wish to lose your liberty , trust your secrets to others . '' `` You perfectly understand what you have to do ? '' `` Yes , yes . At eleven o'clock , behind the well in Hoboken . Street , a young gentleman with a white plume in his hat . Be quiet , I myself will deal the blow , and I will not miss the mark . '' `` Adieu , Bufferio . ''