Having focussed, in the way already described, the mind on Me—the Lord of all and the auspicious object of meditation, he who goes through, i.e., considers with contempt the sense-objects, with senses under control and free from hate and attraction by reason of all impurities of mind being burnt out—such a person has a disciplined self, i.e., disciplined mind. He attains serenity. The meaning is that his mind will be free of impurities.