CC Ādi 1.32

kṛṣṇa, guru, bhakta, śakti, avatāra, prakāśa
kṛṣṇa ei chaya-rūpe karena vilāsa
Synonyms: 
kṛṣṇa — the Supreme Lord, Śrī Kṛṣṇa; guru — the spiritual masters; bhakta — the devotees; śakti — the potencies; avatāra — the incarnations; prakāśa — plenary portions; kṛṣṇa — Lord Kṛṣṇa; ei chaya-rūpe — in these six features; karena vilāsa — enjoys.
Translation: 
Lord Kṛṣṇa enjoys by manifesting Himself as the spiritual masters, the devotees, the diverse energies, the incarnations and the plenary portions. They are all six in one.