Two is an army against one.
More German Proverbs:
He who does not improve to-day will grow worse to-morrow.German
Scratch a lover and find an enemy.
German
He who fain would marry, in choice should not tarry.
German
He that sits among reeds, cuts pipes when he pleases.
German
What the lion cannot, the fox can.
German
No one betrays himself by silence.
German