"Desires are like knots." Even the desire to see God is a knot which has to be cut. You remember when Sri Ramakrishna was going through the monistic practices with his Guru Totapuri. Sri Ramakrishna could not eliminate all conceptions from his consciousness except the form of his beloved God Kali. Totapuri picked up a piece of broken glass and pressed it between his eyebrows and said: "Concentrate the mind on this point."