Sow corn in clay, and plant vines in sand.
More Spanish Proverbs:
When a peasant gets rich, he knows neither relations nor friends.Spanish
From long journeys long lies.
Spanish
Let there be no lack of food in the pigeon-house, and the pigeons will come to it.
Spanish
Tell a lie and find the truth.
Spanish
It's dogged as does it.
Spanish
One fool makes a hundred.
Spanish