We invoke the energy aspect of God in the form of the universal mother, commonly referred to as "Durga," which literally means the remover of miseries of life. She is also referred to as "Devi" (Goddess) or "Shakti" (energy or power).
It is this energy, which helps God to proceed with the work of creation, preservation and destruction. In other words, you can say that God is motionless, absolutely changeless, and the Divine Mother Durga, does everything.

...Many refer to her as Mother nature!

Taittiriya Upanishad Shiksha Valli: I.20 states: Sanskrit: "Matru Devo Bhava"
Translation: "Let thy Mother be thy God."

Mahabharata Shanti Parva: 30.9, Bhishma [Pitamaha] said: (3137 BCE)
"The teacher who teaches true knowledge is more important than ten instructors. The Father is more important than ten such teachers of true knowledge and the Mother is more important than ten such Fathers.

There is no greater Guru than Mother."

Sanskrit: 'Striyah Devah, Striyah Pranah.' - Maha Shakti Dharma (20,000 BCE)

Translation: Women are Devas (Goddesses), women are life itself.

Confirmed by Sir John Woodroffe (1865-1936) in his book entitled:

Shakti and Shakta published 1978, ISBN 81-85988-03-X