Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
” Nãma kirtan and Nãma japam’ – ‘performance of these two are not sadhanãs to attain God. Dhyana, yoga and severe penance have to be performed for the attainment of God,’ is the opinion of many people. These people who opine so should then be greater than the Nãyanmãrs (the 63 prime devotees of Lord Siva), Ãzhwãrs (the 12 prime devotees of Lord Vishnu) and the great people who have given us the Shastras!
When we look into the ‘pathikams’ (praises on Lord Siva) of Nãyanmãrs we find that they speak of the glory of ‘Siva Nãma’ in several places. The whole of the ‘pathikams’ contains only the glory of ‘Nãma’. Only songs in praises of the Lord, oozing and melting with love (for the Lord) are found in these ‘pathikams’. In the case of Ãzhwãrs’ ‘pãsurams’ (praises on Lord Vishnu) also we find that they speak only on the greatness of ‘Bhagavãn Nãma’ (the Name of the Lord). The need to sing the praises of Bhagavãn is also spoken in them. Bhagavan Ramana Maharishi who advocated Atma vichara (Self-enquiry) to all has in many places spoken on the glory of doing japa of ‘Bhagavan Nãma’.
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
God gives whatever is required (by His devotee), removes whatever is not needed, leads the devotee in the path suited to him/her; Since Bhagavãn takes utmost interest in the devotee's needs the latter will not earn/attain any 'siddhi'