If the only reason one chants is the obligation to do it, then how long will one be able to carry on? Devotees need to go deeper than "I am obligated to chant" or it will be very difficult to keep up that commitment. There is a need to go beyond thinking that success in chanting is simply "I have finished 16 rounds."
Blog "Meditations on the Holy Name", 2009-04-29 (Interview for Dhanurdhara Swami's book Japa Meditations: Contemplations on Entering the Holy Name)