Industry is the parent of fortune.
More German Proverbs:
One rotten sheepe will marre a whole flocke.German
The miller's hen and widower's maid, of want need never be afraid.
German
The key that is used grows bright.
German
An old broom knows the corners of the house.
German
One good turn deserves another.
German
No viper so little but hath its venom.
German