CC Madhya 6.11

vasi’ bhaṭṭācārya mane karena vicāra
ei kṛṣṇa-mahāpremera sāttvika vikāra
Synonyms: 
vasi’ — sitting down; bhaṭṭācārya — Sārvabhauma Bhaṭṭācārya; mane — in his mind; karena — does; vicāra — consideration; ei — this; kṛṣṇa-mahā-premera — of ecstatic love for Kṛṣṇa; sāttvika — transcendental; vikāra — transformation.
Translation: 
Sitting beside Śrī Caitanya Mahāprabhu, he thought, “This is a transcendental ecstatic transformation brought about by love of Kṛṣṇa.”