Three among these ten — namely Kavi, Mahāvīra and Savana — lived in complete celibacy. Thus trained in brahmacārī life from the beginning of childhood, they were very conversant with the highest perfection, known as the paramahaṁsa-āśrama.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एतेषां कविर्महावीरः सवन इति त्रय आसन्नूर्ध्वरेतसस्त आत्मविद्यायामर्भभावादारभ्य कृतपरिचयाः पारमहंस्य- मेवाश्रममभजन्
eteṣāṃ kavirmahāvīraḥ savana iti traya āsannūrdhvaretasasta ātmavidyāyāmarbhabhāvādārabhya kṛtaparicayāḥ pāramahaṃsya- mevāśramamabhajan
SB 5.1.26