The foundation of our current understanding of classical yoga
Qualities of the mind; qualities of the universe. Sattva, rajas and tamas.
Eight-Limbed Path: yama (restraint), niyama (observances), asana (postures), pranayama (breath control), ptrayahara (withdrawal of the senses), dharana (concentration), dhyana (absorption), samadhi (cosmic conciousness)
Self (which a capital S): emptiness, abundance, no self
steadiness and alertness
lightness and comfort; happiness
willful practises - inner fire