Who makes friends of all, keeps none.
More German Proverbs:
All your geese are swans.German
The nearer the inn, the longer the road.
German
The laugh is always on the loser.
German
Who mocks his chains will not be free.
German
The beggar's bag is bottomless.
German
I will not bite any dog, says the shepherd's dog, for I must save my teeth for the wolf.
German