This chanting is a universal thing and it is the japa yoga, linking with Sri Krishna which is non-different from Krishna; this is the perfect science and the one to know this fact is the perfect scientist. Madhavacharya, Ramanujacharya, Chaitanya Mahaprabhu are one of the perfect scientists.
‘I’, the conditioned soul cannot be satisfied until ‘I’, the real ‘I’ is satisfied within and this ’I’ is the soul within me, which can only be satisfied by chanting the holy name of Shri Krishna.
The personality of Godhead cannot be seen with material eyes but he can be seen from within; by the spiritual eyes opened by ointment of love of Godhead. As long as one’s spiritual eyes are closed due to dirty covering of matter, one cannot see the Lord.
A wise man has simple living and high thinking. Their lives cannot be simple and they cannot be high thinkers unless they chant the holy names of the Sri Krishna.
We have to understand the position of the lord as the supreme enjoyer and surrender unto him and this is when our spiritual life begins with a proper understanding.