It's the first day of school. Your instructor walks in, glancing at no one. He stops at the board and writes feverishly for ten minutes. The political structure of the Soviet Communist Party, c.1960. He stops, walks to the lectern and begins a lengthy discourse on the sad state of university education.
Students are ill-prepared to tackle such a difficult course.
He then goes on to enumerate the fundamentals of the course. One unexcused absence and you lose a half a grade. Papers must be on time or else lose another half a grade. He sets the tone of the class for the duration. At the end of the period, he has his notes neatly packed away and leaves the room as quickly as he had entered it.