"28 Nissan was the day the walls of Yericho crumbled. It is a day that represents, for eternity, the elimination of all barriers.
"When learning the Rebbe's Torah on Moshiach, the Rebbe gives you his "eyes", his perspective. You can perceive the Geulah like the Rebbe does.
"When Moshiach comes there will be no barriers. Our everyday acquaintances will then demand of us why we didn't share the "eyes of the Rebbe", through his Torah, with them until now?!"