He who would make a golden door must add a nail to it daily.
More German Proverbs:
One man knocks in the nail, and another hangs his hat on it.German
Every priestling conceals a popeling.
German
Yielding stays war.
German
If fools were to eat no bread, corn would be cheap.
German
A load of March dust is worth a ducat.
German
When the lords come out of the council-house, they are wiser than when they went in.
German