Vaishnava Dharmashastra 96.98

96.98

kṣetrajñam api māṃ viddhi sarvakṣetreṣu bhāvini
kṣetrakṣetrajñavijñānaṃ jñeyaṃ nityaṃ mumukṣuṇā //

Know me, O illustrious one, to be the Self of all fields (whether born from the womb, or arisen from an egg, or from sweat, or from a germ or shoot). Those striving after final emancipation must constantly seek to understand the 'field' and to obtain a knowledge of the knower of the field.