'ham is an emphatic form of aham,
the first-person pronoun ("I") wiki-says
so'ham is an emphatic form of aham, the first-person pronoun
("I"), translating to "I myself".
te rupaM kalyaN
atamaM tat te pasyami yo 'sav
so'ham asmi ... "
light which is thy fairest form, I
see it. I am
aham = I
asmi = am I
we go any further
tat = that
sat = truth/The Real/ the existence
"Some say that when a child
is born it cries Koham-Koham which means Who am I? That is when
the universe replies back Soham."
The four principal Mahavakyas
(the Mahavakyas are "The Great Sayings")
there are many Mahavakyas, four of them, one from each of the four Vedas, are
often mentioned as "the Mahavakyas".
brahma - "Prajña is Brahman", or "Brahman is Prajña"(Aitareya
Upanishad 3.3 of the Rig Veda)
2. ayam atma brahma - "I
am this Self (Atman) that is Brahman" (Mandukya Upanishad
1.2 of the Atharva Veda)
3. tat tvam asi - "Thou art That"
(Chandogya Upanishad 6.8.7 of the Sama Veda)
brahmasmi - "I am Brahman", or "I am Divine" (Brhadaranyaka
Upanishad 1.4.10 of the Yajur Veda)