Verse
ज्ञानं कर्म च कर्ताच त्रिधैव गुणभेदतः ।प्रोच्यते गुणसंख्याने यथावच्छृणु तान्यपि ॥
jñānaṃ karma ca kartāca tridhaiva guṇabhedataḥprocyate guṇasaṃkhyāne yathāvacchṛṇu tānyapi
Knowledge, work and doer are of three kinds, says the Sankhya, according to the difference in the Gunas (qualities); hear thou duly these also.
Gītā 18·19