The elephant may take a very nice bath in the river, but as soon as it comes onto the bank, it throws dirt all over its body. What, then is the value of its bathing? Similarly, many spiritual practitioners chant the Hare Krishna Mahamantra and at the same time commit many forbidden things, thinking that their chanting will counteract their offenses.
Taking birth in Kali-yuga itself shows that we have no qualification ; Sri Chaitanya Mahaprabhu therefore manifests ultimate mercy.
No one can be a greater well-wishing friend to any living entity than the Supreme Personality of Godhead.
Srimad Bhagavatam 3.32.40