You use this proverb to say that it is much easier to do something to prevent a problem than to deal with it after it has happened.
This proverb expresses a similar idea to that of A stitch in time saves nine.
I strongly recommend backing up your data at least once a day. An ounce of prevention is worth a pound of cure.
This vaccine costs $25, but it would cost you at least $1500 if you caught the disease and had to be treated in a hospital. An ounce of prevention is worth a pound of cure.
Picture:

This picture was drawn by Erika Aoyama on April 11, 2005.
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Last modified on August 1, 2005