A preacher may think, “Should I preach strongly so that this person can come forward and advance? But if I preach too strongly, he may turn away.” We have to search our hearts and also try to see into the heart of the person to whom we are preaching, and by meditating on what will be most favorable for bhakti, we have to decide how to act.
Lectures from a disciple Vol 1, pg 320, Bhaktyaloka, Moscow, 1.12.97