CC Antya 18.22

śrī-kṛṣṇa-caitanya yāhā karena āsvādana
sabe eka jāne tāhā svarūpādi ‘gaṇa’
Word for word: 
śrī-kṛṣṇa-caitanya — Lord Śrī Caitanya Mahāprabhu; yāhā — whatever; karena — does; āsvādana — tasting; sabe — fully; eka — one; jāne — knows; tāhā — that; svarūpa-ādi gaṇa — devotees like Svarūpa Dāmodara Gosvāmī.
Translation: 
Only a person on the level of Svarūpa Dāmodara Gosvāmī can fully know what Lord Śrī Caitanya Mahāprabhu tastes in His love for Kṛṣṇa.