Śrī Caitanya Caritamrta · Text Madhya 22.115
গুরুপাদাশ্রয়, দীক্ষা, গুরুর সেবন ।
সদ্ধর্মশিক্ষা-পৃচ্ছা সাধুমার্গানুগমন ॥ ১১৫ ॥
guru-pādāśraya, dīkṣā, gurura sevana
sad-dharma-śikṣā-pṛcchā, sādhu-mārgānugamana
“On the path of regulative devotional service, one must observe the following items: (1) One must accept a bona fide spiritual master. (2) One must accept initiation from him. (3) One must serve him. (4) One must receive instructions from the spiritual master and make inquiries in order to learn devotional service. (5) One must follow in the footsteps of the previous ācāryas and follow the directions given by the spiritual master.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.