Class One. Page 133-5. Why we don’t commemorate the holocaust as we do earlier (and smaller) tragedies. The idea of greater and smaller souls.
Class Two. Page 135-7. Torah development, in later times much more details, more incumbent on the individual, Thus the Printing Press and later Offset were introduced to facilitate this greater learning of Torah that became more quantitative, rather than more qualitative as in earlier times.
Class Three. Page 137-9 (footnote 97). Since one has the Z’chus to print Chassidus it is appropriate to print only Kodesh and no Chol.