What costs nothing is worth nothing.
More Dutch Proverbs:
Who serves the public, serves a fickle master.Dutch
Coupled sheep drown one another.
Dutch
A friend at one's back is a safe bridge.
Dutch
A friend is better than money in the purse.
Dutch
A fool may meet with good fortune, but the wise only profits by it.
Dutch
You cannot make a silk purse from a sow's ear.
Dutch