Acharya Prashant addresses a question regarding the concepts of Purusha and Prakriti, particularly in relation to Yin and Yang. He clarifies that the difference lies in the terminologies used in Samkhya and Vedanta philosophies. In Samkhya, Purusha is a corruptible, vulnerable entity, the consciousness or the mind, which needs to gain liberation from Prakriti. Samkhya posits an infinitude of such Purushas, each being a sentient entity that is always vulnerable to and besotted by Prakriti, never realizing its true nature. In contrast, Vedanta defines Purusha as the pure Self, or Atma. In Vedanta, the mind (man), which is the corruptible entity, is called Purusha only after it has gained liberation. So, while in Samkhya, Purusha seeks liberation from Prakriti, in Vedanta, you become the Purusha when you have gained liberation. The speaker connects this to Jesus's statement, "I and my Father are one." Here, the "Father" is the Atma or the source, and the "I" or "Son" is the mind (man). The statement implies that when the mind is pure and has left behind its personal, bodily identification, it becomes one with its source, the Atma. This state is only for those who have transcended duality. Acharya Prashant further elaborates on the concept of prayer through three levels. The lowest level is desire, where the ego prays to itself. The medium level involves imagining a bigger power and praying to it, which is still the ego praying to its own enlarged, projected image. The purest form of prayer is a silent rebellion against the old, false masters and temptations. It is not about finding a new master but refusing to bow to pre-existing ones. This true prayer is a state of stillness and silence, a determination against old ways. It is a synonym for being the pure Purusha, which is still (achal), unlike the ever-moving Prakriti (the world, time). The phrase "Be still, and know" signifies this, as stillness is the only way to know, and it means opting out of the river of time and its temptations.