CC 1.5.54

cinmaya-jala sei parama kāraṇa
yāra eka kaṇā gaṅgā patita-pāvana

cit-maya - spiritual; jala - water; sei - that; parama kāraṇa - original cause; yāra - of which; eka - one; kaṇā - drop; gaṅgā - the sacred Ganges; patita-pāvana - the deliverer of fallen souls.

Text

The water of the Kāraṇa Ocean, which is the original cause, is therefore spiritual. The sacred Ganges, which is but a drop of it, purifies the fallen souls.

Purport

Sri Caitanya Caritamrita. Adi-lila

Chapter 5: The Glories Of Lord Nityananda Balarama. Text 54

The water of the Kāraṇa Ocean, which is the original cause, is therefore spiritual. The sacred Ganges, which is but a drop of it, purifies the fallen souls.