CC Madhya 9.94

aṣṭādaśādhyāya paḍe ānanda-āveśe
aśuddha paḍena, loka kare upahāse
Synonyms: 
aṣṭādaśa-adhyāya — eighteen chapters; paḍe — reads; ānanda-āveśe — in great ecstasy; aśuddha paḍena — could not pronounce the text correctly; loka — people in general; kare — do; upahāse — joking.
Translation: 
The brāhmaṇa regularly read the eighteen chapters of the Bhagavad-gītā in great transcendental ecstasy, but because he could not pronounce the words correctly, people used to joke about him.