“Material nature is only the ingredient because actually the manifestation is caused by His energy. The material energy is also His energy; just as the combination of father and mother is the cause of childbirth, so the combination of the material energy and the glance of the Supreme Personality of Godhead is the cause of the manifestation of the material world.” (Shrila Prabhupada, Shrimad Bhagavatam, 3.32.7 Purport)