Give up the smallest part of a secret, and the rest is no longer in your power.
More German Proverbs:
Jealousy is a pain seeking its cause.German
A woman's work is never done.
German
Many trades, begging the best.
German
Never murder a man who is about to commit suicide.
German
Never to forsake your ideals is better than dreaming of great things.
German
A golden hammer breaks an iron gate.
German