upstairs; and Gerrit noticed the conciliatory smile with which he at once went up to his father, who had been sulking of late because his boy had made a choice of which he altogether disapproved. But for weeks and weeks he had seemed unable to resist the conciliatory smile; and Gerrit had noticed that it was Van der Welcke himself who suffered most from his sulking, which went on because he did not know how to manage a gradual change of attitude, while the boy's calm smile meant:
"Daddie will have to give in, for what I want is only reasonable. . . ."
And Gerrit enjoyed looking at Addie, hoping that his own boys would grow up like that; but Paul, as soon as he saw his nephew, flashed forth into chaff, a chaff which had a speculative interest underlying it and which the boy took quietly, looking at Paul with his serious, blue eyes, which gazed so steadily out of his fresh, boyish face.
"Well, learned professor in ovo, my dear doctor in spe, how are the patients? Are they keeping you busy just now? Has mankind increased in vitality and primordial vigour since you entered the therapeutic arena? O great healer, on whom are you going to try your powers first, Æsculapius? On members of your family, I suppose? Are you going to make us live for ever, Addie? Well, you needn't trouble about me. . . . Can't you manage to make the human body work a little more cleanly in future?
