Bhagavad Gita 14.3

मम योनिर्महद्ब्रह्म तस्मिन् गर्भं दधाम्यहम्।संभवः सर्वभूतानां ततो भवति भारत ॥१४.३॥

mama yonirmahadbrahma tasmin garbhaṃ dadhāmyahamsaṃbhavaḥ sarvabhūtānāṃ tato bhavati bhārata

My womb is the great Brahma; in it I place the germ; thence, O Arjuna, is the birth of all beings.

गीता