There is only one name that is not given by man and that is Omkar, and Omkar means the sound of Om.
Why Omkar?–because when words are lost and the mind becomes void, when the individual is immersed in the ocean, even then the strain of Omkar remains audible within him. It is not a man-made tune but the melody of existence. Omkar is the very being of existence; therefore, Om has no meaning. Om is not a word but a resonance that is unique, having no source, no creation by anyone. It is the resonance of the being of existence. It is like a waterfall: you sit beside a waterfall and you hear its song but the sound is created by the water hitting against the rocks. Sit by a river and listen to its sound; it is caused by the river striking against the banks.
We need to go deeper to understand things. Science tries to break down the whole of existence. What it first discovered was energy in the form of electricity, and then charged particles like the electron of which all of existence is made. Electricity is only a form of energy. If we ask a scientist what sound is made of, he will say that it is nothing but waves of electricity, waves of energy. So energy is at the root of everything. The sages say the same thing; they are in agreement with the scientists except for a slight difference of language. Sages have come to know that all existence is created out of sound, and sound is only an expression of energy. Existence, sound, energy–all are one.
The wind rises creating a murmur in the branches of the tree, a collision of air against the leaves. When the musician plays a chord on an instrument, the sound is produced by a blow.
Osho is known for his revolutionary contribution to the science of inner transformation, with an approach to meditation that acknowledges the accelerated pace of contemporary life.