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In the collection of yogic insights and the nature of the soul, the omnipotence of the Supreme Soul is described in three types of souls, as is well-known in the scriptures: * Bahiratma, Antaratma, and Paramatma.
Of these, (1) the one who has the awareness of self in the body, and therefore appears as "I am a student, I am thin," etc., is known as the body or Bahiratma.
(2) The one who does not have the awareness of self in the body, but has it in the soul itself, meaning the one who remains as a witness in the body and resides as the indweller, is the indweller or Antaratma. (3) The one who is completely pure and free from all impurities, and who is the embodiment of the transcendental qualities of the jewels, is the Paramatma.
Of these three types of souls, the Bahiratma is not eligible for meditation and cannot become the meditator, the Antaratma is eligible and can become the meditator, and the Paramatma is the goal worthy of meditation. This is how meditation is used.
Or in other words, abandoning the Bahiratma, becoming the Antaratma, and with a steady mind, to experience the Paramatma as the soul itself, is the practice of Samadhi. The soul is our offering, "Atma Arpan Dav." Just as the reflection of a man's form is reflected in a pure, unchanging mirror, so too is the form of the Supreme Being, Paramatma, reflected in the pure, unchanging Antaratma, meaning that the Paramatma form appears in it as a manifest experience. This is Samadhi.
"Kayadikhe ho Atma Buddhi Grahyo, Bahiratma Aghrup Sugyani; Kayadikhe he Sakhidhar Thai Rahyo, Antar Atmarup Sugyani. Jnana Anandhe he Puran Pavne, Varjit Sakal Upadhi Sugyani; Atindriya Gunaganmani Aag, Im Paramatma Sadh Sugyani. Bahiram Taj Antar, Atmarup Thai Thir Bhav..Sugyani; Paramatma nu ho Atma Bhavvu, Atma Arpan Dav-Sugyani. Sumati Charankaj Atma Arpan, Darpan Jim Avikara..Sugyani" - Shri Anandghanji
From all this, it is evident that the Bahiratma has the potential for Paramatmahood, and therefore, with appropriate effort, it is possible for its manifestation. That is, by abandoning the Bahiratma, and with a pure and steady Antaratma, if one meditates on God-Paramatma with single-pointed focus, then the meditator, the object of meditation, and the goal become one, meaning that meditation
x"बाह्यात्मा चान्तरास्मा च परमात्मेति च त्रयः ।
कायाधिष्ठायकध्येयाः प्रसिद्धायोगवाङ्मये ॥"-500 "बहिरन्तः परश्चेति त्रिधात्मा सर्वदेहिषु । gવેચાત્તત્ર પર મપાયાહૂહિત્ય –સમાધિશતક,