Bhagavatapurana 4.28.58

4.28.58

vipaṇas tu kriyā-śaktir bhūta-prakṛtir avyayā /
śakty-adhīśaḥ pumāṃs tv atra praviṣṭo nāvabudhyate //

58. The market is the energy for work; the five Bhutas are the inexhaustible sources; the man who is under the power of Sakti and who, having entered here does not keep awake (is in deep sleep).