TANYA CHAPTER 31 Part Nine "Joy for Every Body" Maintaining happiness; protecting soul joy from bodily frustration.
TANYA CHAPTER 38 Part Five : - From deep intentions to callous action, the range of spiritual intimacy we experience with the Creator varies...
TANYA CHAPTER 20: PART ONE http://www.chabad.org/library/tanya/tanya_cdo/aid/7899/jewish/Chapter-20.htm