Class Four. The מאמר that the Rebbe RaShab said spontaneously: כי נער ישראל ואהבהו תרס”ו. The significance of its reemergence now, 50 years later.
Class Five. Page 133-5. The surprises of the year תרס”ו included 1) המשך תרס”ו, and 2) מאמר קמתי אני לפתוח לדודי, and 3) this מאמר כי נער ישראל ואהבהו. As a rule preparation is Jewish we see this by 1) Hashem, 2) Rav Akiva, 3) The Rebbe RaShaB himself, yet on this occasion he spoke spontaneously.
Class Six. Page 135-6. These changes have to do with Simchas Torah that these things add to the great Joy etc. of the time. The greatest revelations happen then.