CHAPTER XV FATHER AND DAUGHTER–––––––– Although Mr. Gradgrind did not take after Blue Beard, his room was quite a blue chamber in its abundance of blue books. Whatever they could prove (which is usually anything you like), they proved there, in an army constantly strengthening by the arrival of new recruits. In that charmed apartment, the most complicated social questions were cast up, got into exact totals, and finally settled—if those concerned could only have been brought to know it. As if an astronomical observatory should be made without any windows, and the astronomer within should arrange the starry universe solely by pen, ink, and paper, so Mr. Gradgrind, in his Observatory (and there are many like it), had no need to cast an eye upon the teeming myriads of human beings around him