Constancy in Self-knowledge, perception of the end of true knowledge — this is declared to be knowledge and what is opposed to it is ignorance.

adhyātma = pertaining to the self; jñāna = in knowledge; nityatvaṃ = constancy; tattvajñāna = of knowledge of the truth; artha = for the object; darśanaṃ = philosophy; etat = all this; jñānaṃ = knowledge; iti = thus; proktaṃ = declared; ajñānaṃ = ignorance; yat = that which; ataḥ = from this; anyathā = other.;