TANYA: CHAPTER 28 Part Two "Focus on Davening: Why mind-wandering weirdness during Davening actually proves nothing!
TANYA CHAPTER 38 Part Two ! Do Mindless Mitzvahs = Body without Soul! If one performs a Mitzvah without any concentration, intention or mindfulness...
Tanya Chapter 20 Part Two The One and Only Eternal One Revealed! Learn the true definition of Hashem Echad (our G-d is One). http://www.chabad.org/library/tanya/tanya_cdo/aid/7899/jewish/Chapter-20.htm
