Just as the fountainhead, Lord Krsna, is the cause of all incarnations, so Sri Radha is the cause of all these consorts (the goddesses of fortune, the queens, and the milkmaids of Vraja)
Expressions researched:
"Just as the fountainhead, Lord Krsna, is the cause of all incarnations, so Sri Radha is the cause of all these consorts"
Sri Caitanya-caritamrta
CC Adi-lila
Just as the fountainhead, Lord Kṛṣṇa, is the cause of all incarnations, so Śrī Rādhā is the cause of all these consorts.
CC Adi 4.76, Translation: Just as the fountainhead, Lord Kṛṣṇa, is the cause of all incarnations, so Śrī Rādhā is the cause of all these consorts.