Self realization means God realization, and God realization means self realization. Just like to see the sun means to see oneself, and to see oneself means to see the sun. Self realization depends completely upon God realization, or else it is not complete. One must know his relationship to the Absolute Truth to fully know his position. The mayavadi school simply discerns spirit from matter, but that is not Ultimate Knowledge. One should know the different manifestations of the spirit also. The highest manifestation of the spirit soul is the Supreme Personality of Godhead, Lord Krishna.
In this age the mind is so much agitated that it cannot be fixed up on the Supreme Objective. Real meditation means to fix up the mind on Krishna or on Krishna's Expansion, Lord Visnu. The modern so-called meditater has no information of Krishna or Visnu. They try to meditate on something void or impersonal which is simply troublesome. It is clearly stated in the Bhagavad-gita that those attached to the impersonal feature have their path to be very, very troublesome. Not only in this age when everything is troublesome, but it was so in former ages also, so what to speak of this age. Therefore, in this age, to fix up your ears upon the transcendental vibrations of Hare Krishna is the highest form of meditation, and the only one which will prove feasible for you. We may or may not condemn the impersonalists, but they are already condemned by Lord Krishna in the Bhagavad Gita.