Merging the senses having the mind for their sixth and all the objects of the senses into the inner self by the help of the understanding, and meditating upon the three states of consciousness, viz., the object thought, the act of thinking, and the thinker, and abstaining by contemplation from every kind of enjoyment, replenishing his mind with the knowledge that he is Brahma's self, laying aside at the same time all consciousness of power, and there by making his Soul perfectly tranquil, the Yogin attains to immortality.