Explaining It Through the Three "D" Theory

Vizet happened to have a flash of inspiration, so he casually voiced his guess. Only after the words left his mouth did he notice that Professor Snape had been speaking too.

"Sorry, Professor Snape..." he said apologetically. "Just now, I..."

Before Vizet could finish, Snape's outstretched hand swept around, settling into an extremely practiced arms-crossed posture. In a cold tone, he cut Vizet off. "Continue."

"All right." Vizet nodded, took out his notebook, and began writing down his thoughts, further straightening out the train of thought in his mind.

"If we extend Zygmunt Budge's potion theory, the wizard himself can actually be regarded as a catalyst, an enhancer, and... a stabilizer."

After straightening out his thoughts, he added another word: stabilizer.

"'Stabilizer' is something I just thought of... I think this is the most common application. Even without knowing Zygmunt Budge's potion theory, you can still make use of it."

"When the wizard himself is focused enough, keeping his will concentrated on the process of brewing a potion, it can actually reduce the failure rate of the potion to a certain extent and make the entire brewing process go more smoothly..."

At this point, Vizet recalled today's Potions Class.

Perhaps because no one wanted to lose points to Snape right after school started, the students had all been very focused. Their potion-brewing process had been quite steady, and no accidents had occurred.

For the entire class, Snape had merely patrolled constantly, occasionally stopping in front of a desk and making one or two sarcastic remarks in a cold, gloomy voice. He had not actually deducted any points.

"Professor Snape, can I understand it this way?" Vizet thought of a possibility. "When you keep patrolling the classroom..."

"Are you deliberately creating a difficult situation, with the purpose of making the students