Spanda is a concept in Hindu and Kashmir Shaivism that refers to the divine vibration or pulsation that is the source of all creation. It is considered to be the fundamental principle of the universe, the underlying energy that manifests in all forms and phenomena.

The word "Spanda" comes from the Sanskrit root word "spadi", which means "to move" or "to vibrate". It is believed that this vibration is present in everything, from the smallest subatomic particles to the largest galaxies. It is the essence of life and consciousness, and it is what connects us all to the divine.

According to Kashmir Shaivism, Spanda is the dynamic aspect of the ultimate reality, known as Shiva. It is the creative force that continuously expands and contracts, giving rise to the ever-changing world we live in. It is the dance of Shiva, the cosmic rhythm that sustains the universe.

Spanda is also associated with the concept of Shakti, the divine feminine energy that complements Shiva. Shakti is the active force that brings forth the manifestation of Spanda into the material world. Together, Shiva and Shakti create the dance of Spanda, the eternal play of consciousness and energy.

In human beings, Spanda is experienced as the pulsation of the heart, the rhythm of the breath, and the flow of thoughts and emotions. It is the source of our vitality, creativity, and intuition. When we are in tune with the divine vibration of Spanda, we feel a sense of harmony and connection with the world around us.

To fully understand and experience Spanda, one must go beyond the limitations of the mind and connect with the higher consciousness within. This can be achieved through practices such as meditation, yoga, and chanting, which help to quiet the mind and open the heart to the divine vibration.

In conclusion, Spanda is the divine vibration that permeates everything in the universe. It is the source of all creation, the dance of Shiva and Shakti, and the essence of our being. By connecting with Spanda, we can tap into our true nature and experience a deep sense of oneness with the divine.