One verse

Srimad Bhagavatam 3.5.31

3.5.31

तैजसानीन्द्रियाण्येव ज्ञानकर्ममयानि च ॥ ३१ ॥

taijasanindriyany eva jnana-karma-mayani ca

taijasani
the mode of passion
indriyani
the senses
eva
certainly
jnana
knowledge, philosophical speculations
karma
fruitive activities
mayani
predominating
ca
also.

The senses are certainly products of the mode of passion in false ego, and therefore philosophical speculative knowledge and fruitive activities are predominantly products of the mode of passion.