Bhagavatapurana 2.6.20

2.6.20

sṛtī vicakrame viśvam sāśanānaśane ubhe /
yadavidyā ca vidyā ca puruṣastūbhayāśrayaḥ //

20. The all-pervading Lord (has) traversed both the ways viz that which leads to the world of enjoyments and that which leads to the world destitute of worldly enjoyments i. e. moksha the first consists of Avidya, i. e. Karma, and the second of knowledge and the means thereof viz Upasana (contemplation) and meditation and the Purusha is the source of both.