Saranagati to the spiritual master is a prerequisite for any devotee aspiring for spiritual progress. Srila Sridhara Maharaja says, "In my study I found that saranagati alone is sufficient to produce all sorts of development in bhakti."
In the famous talks between Sri Caitanya Mahaprabhu and Sri Ramananda Raya (Ramananda Samvada), Ramananda Raya gives Mahaprabhu several propositions on what actually is the ultimate goal of life beginning from varnasrama-dharma, leading up to the ultimate conception.