Devotees must be aware of the possible offenses that can be committed while chanting. Always try to chant in such a way that you overcome your material attachments, knowing that you cannot do it by our own endeavor. Devotees know they are always dependent on Krishna. And the more we progress in chanting, the more we will realize how dependent we are on the holy name. In the Bhagavad-gita, Krishna describes such a dependent devotee as the highest yogi.“Of all yogés, the one with great faith who always abides in Me, thinks of Me within himself, and renders transcendental loving service to Me—he is the most intimately united with Me in yoga and is the highest of all.” (Bg. 6.47)
(LFD, Vol2, Chanting Purely, Pg 109 and Pg 110)