Tell no tales out of school.
More German Proverbs:
A gosling flew over the Rhine, and came home a goose.German
A woman's vengeance knows no bounds.
German
Never listen to these three advisers: wine, the night, and love.
German
Heaven protects children, sailors, and drunken men.
German
Better aught than nought.
German
A fence makes love more keen.
German