"A hair of the dog that bit him," he would say as he poured out the beer, carefully so that the foam should not make him wait too long to drink.
Then he would talk to Philip of the University, the quarrels between rival corps, the duels, and the merits of this and that professor. Philip learnt more of life from him than of mathematics. Sometimes Wharton would sit back with a laugh and say:
"Look here, we've not done anything today. You needn't pay me for the lesson."
"Oh, it doesn't matter," said Philip.
This was something new and very interesting, and he felt that it was of greater import than trigonometry, which he never could understand. It was like a window on life that he had a chance of peeping through, and he looked with a wildly beating heart.
"No, you can keep your dirty money," said Wharton.
"But how about your dinner?" said Philip, with a smile, for he knew exactly how his master's finances stood.
Wharton had even asked him to pay him the two shillings which the lesson cost once a week rather than once a month, since it made things less complicated.
"Oh, never mind my dinner. It won't be the first time I've dined off a bottle of beer, and my mind's never clearer than when I do."
He dived under the bed (the sheets were gray with want of washing), and fished out another bottle. Philip, who was young and did not know the good things of life, refused to share it with him, so he drank alone.
"How long are you going to stay here?" asked Wharton.
Both he and Philip had given up with relief the pretence of mathematics.
"Oh, I don't know. I suppose about a year. Then my people want me to go to Oxford."
Wharton gave a contemptuous shrug of the shoulders. It was a new experience for Philip to learn that there were persons who did not look upon that seat of learning with awe.
"What d'you want to go there for? You'll only be a glorified school-boy. Why don't you matriculate here? A year's no good. Spend five years here. You know, there are two good things in life, freedom of thought and freedom of action. In Prance you get freedom of action: you can do what you like and nobody bothers, but you must think like everybody else. In Germany you must do what everybody else does, but you may think as
