Why pay for the cow when the milk is free?
More English Proverbs:
A bad shearer never had a good sickle.English
Judge not, lest ye be judged.
English
Lead a pig to the Rhine, it remains a pig.
English
The money you refuse will never do you good.
English
Ye're a foot behint the foremost.
English
Poor thieves in halters we behold; And great thieves in their chains of gold.
English