Sorrow does not pay any debts.
More German Proverbs:
Every one is emperor on his own ground.German
Where gold avails, argument fails.
German
The stubborn man is ruled by a fool.
German
Keep within compass and you may be sure that you will not suffer what others endure.
German
Black cows give white milk.
German
When old horses get warm, they are not easily held in.
German