He who makes friends of all keeps none.
More German Proverbs:
I will win the horse, or lose the saddle.German
Even the devil's grandmother was a nice girl when she was young.
German
To good eating belongs good drinking.
German
As you bake so shall you brew.
German
One log does not burn long by itself.
German
If you let the weeds grow for a year you will need seven to clear them.
German