Bhagavad Gītā Chapter Seven verse 2

jñānaṃ te ’haṃ savijñānam idaṃ vakṣyāmy aśeṣataḥ |
yaj jñātvā neha bhūyo ’nyaj jñātavyam avaśiṣyate ||

jñāna - knowing; knowledge; higher knowledgevijñāna - special knowing; the act of distinguishing or discerning, understanding, comprehending, recognizing, intelligence, knowledge; the faculty of discernment or of right judgement

Commentaries and Reflections

Commentary by TKV Desikachar:

“Jñānam is the wisdom of ‘I am that’.
Vijñānam is the discernment that ‘I am not this’ ‘I am not that’.”