Śrī Caitanya Caritamrta · Text Madhya 24.287
দুইবিধ ভক্ত হয় চারি চারি প্রকার ।
পারিষদ, সাধনসিদ্ধ, সাধকগণ আর ॥ ২৮৭ ॥
dui-vidha bhakta haya cāri cāri prakāra
pāriṣada, sādhana-siddha, sādhaka-gaṇa āra
“Both the ātmārāmas engaged in regulative devotional service and those engaged in spontaneous devotional service are further categorized into four groups. There are the eternal associates, the associates who have become perfect by devotional service, and those who are practicing devotional service and are called sādhakas, of whom there are two varieties.
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