With meditation divine energy inside us starts moving upwards from the Mooladhara chakra and reaches the Sahasrara chakra, from there it moves down towards the Mooladhara chakra. In this process it will fill us with infinite bliss and creates a magnetic field around us that extends to infinity. This process is called meditation. To activate this process we need a key. To start the car we need to insert the key and turn it. The key for meditation is Mantra.