Read it through once

“And _that_ is quite impossible; for he is now in the custody of his friend, and Mr. Darcy would no more suffer him to call on Jane in such a part of London! My dear aunt, how could you think of it? Mr. Darcy may, perhaps, have _heard_ of such a place as Gracechurch Street, but he would hardly think a month’s ablution enough to cleanse him from its impurities, were he once to enter it; and, depend upon it, Mr. Bingley never stirs without him.”