You are but sowing in sand.
More Latin Proverbs:
The best things come in small packages.Latin
You will wear the ivy wreath, the victor's meed.
Latin
Laughter abounds in the mouths of fools.
Latin
A wealthy man can err with impunity.
Latin
Haste trips up its own heels.
Latin
How you come by it no one asks; but wealth you must have.
Latin