All that which lies deep within
The mud blocks, the metal bars
The curves of tinted glass
The specks of dust
Beyond the bonds of the Earth
That scattered onto us
The paint of this light
All of it was cast very far
In the furnace of some star

Why not we wonder then
Where does lie the die for
The fears and the folly
The joys and the ecstasy
The sorrows and the melancholy
The courage and the bravery
The anger and the agony
The rare silence, the constant din
All that which lies deep within

Samkhya is the philosophical basis for Yoga. It reveals a dualism between Purusha (consciousness) and Prakriti (nature). Samkhya philosophy implies the human experience as a state in which Purusha is bonded with Prakriti. When untouched, Prakriti remains inactive; upon contact with Purusha, it starts the cosmic evolution, leading to life and intellect, and ultimately liberation (end of bondage of Purusha to Prakriti). There is no good word to describe the essence of Prakriti in English. Whereas Purusha signifies the observer, Prakṛti includes all the cognitive, moral, psychological, emotional, sensorial and physical aspects of reality.