Yiddish: Still water runs deep.

SOURCE: Bernstein, Jüdische Sprichwörter und Redensarten.
Literal translation: Still water digs deep.  Compare:

.שטיל איז אַ וואָרעם און גראָבט טיף
Shtil iz a vorem un grobt tif.
A worm is silent and digs deep.

SOURCE:  Stutchkoff, Der Oytser fun der Yidisher Shprakh

שטיל וואַסער גראָבט טיף.

Shtil vaser grobt tif.

Still water runs deep.

Web Analytics