BG - 13.12

अध्यात्मज्ञाननित्यत्वं तत्त्वज्ञानार्थदर्शनम्।एतज्ज्ञानमिति प्रोक्तमज्ञानं यदतोन्यथा।।13.12।।

adhyātma-jñāna-nityatvaṁ tattva-jñānārtha-darśhanam etaj jñānam iti proktam ajñānaṁ yad ato ’nyathā

• adhyātma - spiritual
• jñāna - knowledge
• nityatvam - constancy
• tattva-jñāna - knowledge of spiritual principles
• artha - for
• darśhanam - philosophy
• etat - all this
• jñānam - knowledge
• iti - thus
• proktam - declared
• ajñānam - ignorance
• yat - what
• ataḥ - to this
• anyathā - contrary

Translation

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

Commentary