The poor youth’s hair stood up straighter than ever, as though acted upon by some magnetic force.

“Do you admit it or do you not admit it?”

“Anything!  Whatever you wish, Padre,” was his thought, but he did not dare to express it from fear of ridicule.  That was a dilemma indeed, and he had never been in a worse one.  He had a vague idea that the most innocent thing could not be admitted to the friars but that they, or rather their estates and curacies, would get out of it all the results and advantages imaginable.  So his good angel prompted him to deny everything with all the energy of his soul and refractoriness of his hair, and he was about to shout a proud nego, for the reason that he who denies everything does not compromise himself in anything, as a certain lawyer had once told him; but the evil habit of disregarding the dictates of one’s own conscience, of having little faith in legal folk, and of seeking aid from others where one is sufficient unto himself, was his undoing.  His companions, especially Juanito Pelaez, were making signs to him to admit it, so he let himself be carried away by his evil destiny and exclaimed, “Concedo, Padre,” in a voice as faltering as though he were saying, “In manus tuas commendo spiritum meum.”

“Concedo antecedentum,” echoed the professor, smiling maliciously. “Ergo, I can scratch the mercury off a looking-glass, put in its place a piece of bibinka, and we shall still have a mirror, eh?  Now what shall we have?”

The youth gazed at his prompters, but seeing them surprised and speechless, contracted his features into an expression of bitterest reproach. “Deus meus, Deus meus, quare dereliquiste me,” said his troubled eyes, while his lips muttered “Linintikan!” Vainly he coughed, fumbled at his shirt-bosom, stood first on one foot and then on the other, but found no answer.

“Come now, what have we?” urged the professor, enjoying the effect of his reasoning.

“Bibinka!” whispered Juanito Pelaez. “Bibinka!”

“Shut up, you fool!” cried the desperate youth, hoping to get out of the difficulty by turning it into a complaint.

“Let’s see, Juanito, if you can answer the question for me,” the professor then said to Pelaez, who was one of his pets.

The latter rose slowly, not without first giving Penitente, who followed him on the roll, a nudge that meant, “Don’t forget to prompt me.”

“Nego consequentiam, Padre,” he replied resolutely.

“Aha, then probo consequentiam!  Per te, the polished surface constitutes the ‘essence’ of the mirror—­”

"Nego suppositum!" interrupted Juanito, as he felt Placido pulling at his coat.

“How? Per te—­”

“Nego!”

“Ergo, you believe that what is behind affects what is in front?”

"Nego!" the student cried with still more ardor, feeling another jerk at his coat.