How to Improve Mantra Meditation? Radhanath Swami Provides Tips

Question to Radhanath Swami: How to improve the quality of our mantra meditation?

Radhanath Swami: By our sincerity and simplicity, by trying to improve the attitude of service in our life, by trying to live more and more according to moral, ethical and pure principles , by guarding against offences, and by sincerely and attentively making the effort to take shelter of the holy names.