21.Preaching, in and of itself, cannot reach its goal; it also needs the corresponding program as its supplement.
22.Man falls into five categories:
1)Ignorant persons are driven by instincts
2)Laities are driven by desires
3)Mortals are driven by sentiment
4)Sages are driven by rationality
5)Saints are driven by spiritual senses and saints are celestial
23.Man has six senses: visual, auditory, olfactory, gustatory (taste), tactile, and spiritual.
24.The sum of positive and negative energy in univers







