Krishna is the Soul or Vital Force of the Universe -- Srila Prabhupada -- Srimad-Bhagavatam 1.8.30

Teachings of Queen Kunti discourse by His Divine Grace A.C. Bhaktivedanta Swami Prabhupada, the Founder-Acharya of ISKCON, the International Society for Krishna Consciousness.
In this verse Queen Kunti describes her nephew Krishna as the soul or vital force of the universe.