Caitanya-caritāmṛta 19.221
śāntera guṇa dāsye āche, adhika — ‘sevana’ ataeva dāsya-rasera ei ‘dui’ guṇa
[shaantera guna daasye aache, adhika — ‘sevana’ ataeva daasya-rasera ei ‘dui’ guna]
Blended reading (Sanskrit + English inline)
śāntera guṇa dāsye āche, adhika — ‘sevana’ ataeva dāsya-rasera ei ‘dui’ guṇa
“The qualities of śānta-rasa are also present in dāsya-rasa, but service is added. Thus the dāsya-rasa platform contains the qualities of both śānta-rasa and dāsya-rasa.
My note
Source: vedabase.io