CC Ādi 5.130

keho kahe, kṛṣṇa kṣīroda-śāyī avatāra
asambhava nahe, satya vacana sabāra
Synonyms: 
keho kahe — someone says; kṛṣṇa — Lord Kṛṣṇa; kṣīroda-śāyī avatāra — an incarnation of Lord Viṣṇu lying in the ocean of milk; asambhava nahe — there is not impossibility; satya — true; vacana sabāra — everyone’s statement.
Translation: 
Some called Lord Kṛṣṇa an incarnation of Lord Kṣīrodakaśāyī. All these names are true; nothing is impossible.