There is no fetter like illusion, no force greater than Yoga, no friend greater than knowledge, and no enemy greater than ego.

"Just as from studying the alphabet one may understand the scriptural teachings, so by practicing Yoga one may obtain kno..."

"Like an unbaked pot in water, the body is always decaying. One should bake it with the fire of Yoga and make it pure."

"Purification, strength, steadiness, calmness, lightness, realization, and abstraction are the seven means of perfecting..."

"By the realization that he is Brahman, nondual samadhi arises."