The 'Bhagavata Purana' describes the universe's cyclical nature, where it undergoes a process of creation, preservation, and dissolution, known as the 'Mahapralaya'.

In the 'Rigveda', 'Rta' represents the cosmic order, the underlying principles that govern the universe and maintain its balance and harmony.

The 'Vishnu Purana' divides time into 'Kalpas', with each 'Kalpa' lasting for 4.3 billion years, similar to the modern scientific estimate of the age of the universe.

The 'Surya Siddhanta' suggests that the universe is infinite in size and extent, a concept that aligns with modern cosmological theories.

According to the 'Manusmriti', the universe emerged from a cosmic egg called the 'Brahmanda', containing all the elements and principles necessary for creation.

The 'Shatapatha Brahmana' describes 'Hiranyagarbha' as the golden embryo from which the universe originated, containing the potential for all life and existence.

In the 'Bhagavad Gita', 'Brahman' represents the ultimate reality, the fundamental principle underlying all existence, transcending time, space, and form.

The 'Upanishads' introduce the idea of 'Maya', the illusion or veil that conceals the true nature of reality, leading to the perception of a separate and limited self.

The 'Chandogya Upanishad' suggests that the universe is a manifestation of consciousness, with all existence arising from a single, unified source of awareness.

In the 'Brihadaranyaka Upanishad', 'Atman' represents the universal self, the essence of all existence that transcends individual identities and unites all beings.

The 'Katha Upanishad' introduces the idea of 'Purusha', the cosmic person or universal consciousness that permeates all existence and transcends individual limitations.

The 'Mundaka Upanishad' proposes that the universe is composed of two fundamental principles: 'Prakriti', the material world, and 'Purusha', the conscious observer or witness.

In the 'Svetasvatara Upanishad', 'Shiva' is associated with destruction and transformation, representing the cyclical nature of the universe and the dissolution of all forms.

The 'Linga Purana' suggests that the universe undergoes a cyclical process of expansion and contraction, with periods of creation and dissolution alternating.

The 'Vishnu Sahasranama' includes the name 'Ananta', meaning 'the infinite', signifying Vishnu's boundless and limitless nature, encompassing all of creation.