Foundations of the Yogasūtra: Sādhanapāda
Dive even more deeply into practicing Kriyāyoga by discerning the 5 kleśas, the 4 noble truths, the 3 kinds of suffering, the 7 bhúmis, the 8 limbs, the 5 yama, the 5 niyama, the 8 worldly thoughts, and the 4 states of consciousness.