CC Madhya 20.386

dṛṣṭānta diyā kahi tabe loka yadi jāne
kṛṣṇa-līlā — nitya, jyotiścakra-pramāṇe
Word for word: 
dṛṣṭānta diyā — giving an example; kahi — let Me say; tabe — then; loka — people; yadi — if; jāne — can understand; kṛṣṇa-līlā — pastimes of Lord Kṛṣṇa; nitya — eternal; jyotiḥ-cakra — of the zodiac; pramāṇe — by evidence.
Translation: 
“Let me give an example by which people may understand Lord Kṛṣṇa’s eternal pastimes. An example can be found in the zodiac.