When we want to contact other people far away from us, we need some form of energy as an agency to doit through. For instance when a person contacts another on telephone the Sound- wave of his voice are carried through the instrument to the person at the other end by electro-magnetic for current. With out the electric current the telephone said to be ‘dead’ i.e unfit for use as a medium of communication. There are thus several agencies involved in this process of communication. There are thus several agencies involvedin this process of comm unication viz sound , electricity and magnetism. An air pilot, before landing at an airport can similarly communication with Air Control Officer at the port through radio- telephone ( wireless ) where again the above mentioned forms of energy operate to bring about the contact between two persons. On the moon where sound does not reach, the directions from the earth are conveyed through the Remote Control System so as to be translated into words for the spacemen at the other end through electro-magnetic force. Again when the spacemen at the other end through electro-magnetic force. Again when the person is addressing a vast audience, he needs the help of both light and s ound energies to be able to establish audio-visual contact with them. In the absence of any light either from the sun or electricity the speaker and the listeners would be invisible to each other, while in the absence of a microphone, the speaker’s voice would not be perfectly audible to the listeners with the results that th address will become in effective for want of mental rapport between the speaker and his audience. The operation of the self-same two energies light and sound is yet again in evid-ence when two persons meet or converse with each other face to face. Without the presence of these media i.e. light-waves to convey both their images and voices, he two persons could neither see nor talk to each other.
Marvelous through these physical energies-heats, light, sound, magnetism and electricity of this material world are, they are not of much use in helping man to have link with God for the simple reason that He is not a material entity, perceptible trough the physical senseorgans. He is not a material entity,perceptible through the physical sense-organs .He is a subtle eternal verity far far away and far different from any of the forces mentioned above. He can be contacted, therefore , only through the thought Energy which surpasses both in speed and intensity, all the above-mentioned forces in that it can, as it were go through space and the remotest and subtlest regions to the incorporeal God. In other words meditation is the only means by which the soul can at once contact the supreme soul.