Nefesh - Ruach - Neshamah

From B'yam Darkecha on the Beauty of Shabbos & the Yomim Tovim: R Yossi Michalowicz by R Yossi Michalowicz.

pp. 329 - 334: Accessing the 3 different levels of Soul. One need not totally perfect accessing one level before ascending to the next level. The parable of building a 3 floor home.