Each individual soul possesses this storehouse of previous experiences in the background, in the subconscious mind. Take the instance of two lovers. What is love? It is the attraction between two souls. This love does not die with the death of the body. True love survives death and continues to grow, to become stronger and stronger. Eventually it brings the two souls together and makes them one. The theory of pre-existence alone can explain why two souls at first sight know each other and become attached to each other by the tie of friendship. This mutual love will continue to grow and will become stronger, and in the end will bring these lovers together, no matter where they go. Therefore, Vedanta does not say that the death of the body will end the attraction or the attachment of two souls; but as the souls are immortal so their relation will continue forever.
The Yogis know how to develop memory and how to read past lives. They say, time and space exist in relation to our present mental condition; if we can rise above this plane, our higher mind sees the past and future just as we see things before our eyes. Those who wish to satisfy the idle curiosity of their minds may spend their energy by trying to recollect their past lives. But I think it will be much more helpful to us if we devote our time and energy in moulding our future and in trying to be better than we are now, because the recollection of our former condition would only force us to make a bad use of the present. How unhappy he must be who knows that the wicked deeds of his past life will surely react on him and will bring distress, misery, unhappiness or suffering within a few days or a few months. Such a man would be so restless and unhappy that he would not be able to do any work properly; he would constantly think in what form misery would appear to him. He would not be able to eat or even sleep. He would be most miserable. Therefore we ought to regard it as a great blessing that we do not recollect our past lives and past deeds. Vedanta says, do not waste your valuable time in thinking of your past lives, do not look backward during the tiresome journey through the different stages of evolution, always look forward and try first to attain to the highest point of spiritual development; then if you want to know your past lives you will recollect them all. Nothing will remain unknown to you, the Knower of the universe. When the all-knowing Divine Self will manifest through you, time and space will vanish and past and future will be changed into the eternal present. Then you will say as Sri Krishna said to Arjuna, in the "Bhagavad Gita:" "Both you and I have passed through many lives; you do not recollect any, but I know them all." (Ch. iv., 5.)