Hello, can I ask your help in paraphrasing or explaining the sentence in bold? Thank you.
The secrets of outstanding prof. "Look to the person on your left, barks the professor. Now look to the one on your right.
In three years, one of you will be gone; it won't have worked out, you will have had to leave.
It's the hardball opener professors have used for decades to knock cocky freshmen down to size. But this was English professor Nick Mount talking to fellow University of Toronto professors in a workshop on how to design a good first class."