When a Krishna Conscious person is elevated to a responsible position, he never becomes puffed up. Just like a tree, when over laden with fruits, becomes humble and lower down, similarly a great soul in Krishna Consciousness becomes humbler than the grass and bows down like the fruitful trees because a Krishna Conscious person acts as the agent of Krishna, therefore he discharges his duty with great responsibility.
In the teachings of Sriman Mahaprabhu, there are two principal instructions: developing the taste for chanting of holy names and displaying compassion for the fallen souls.
Prema (Divine Love), the fruit of the creeper of Bhakti, grows on the creeper only when she attains to the Feet of Krishna. All this time the gardener continues to splash the creeper with the water of hearing and chanting the Holy Name of Krishna.
In this age, Kali -yuga, to kill the demons means to stop their demoniac activities by the weapon of kirtana, Hari-Sankirtana, which is spread by Lord Chaitanya’s associates.