Many bochurim with are learning in Bais Medrash. They were learning about when they saw between and tough meforshim.
When one decided that the gemara was he ran outside to the and drove to the Rosh Yeshiva's house. When he arrived he saw the Rebbe in his dining room and explained that the meforshim were really and not fair. The Rosh Yeshiva without any expression on his face calmly took out a , and told the bochur that he better go back to Yeshiva. The bochur agreed, shook the Rosh Yeshiva's and left immediately. But as the bochur exited the Rosh Yeshiva's he realized that he had been played a trick by the Rosh Yeshiva and all the .The work was not meant to be done by the bochur but rather , and he was only to assign it.