Illustrated,The wonderful world of netsuke by Raymond Bushell,
Page:46, Plate 52;
Refer to I.N.S. Journal-"the Japanese Seal-a Rediscovery," Winter,
2002 issue, Pgs. 20/26; 1. Kaibutsu, Ivory, 5 x 2.5 cm.
Translation: Nyosen (It is water that flows from the fountain).
This is most likely a non-literary proverb that needs to be interpreted
( often by the circumstances that surround it).