He who fails to plan, plans to fail.
More Italian Proverbs:
A little gall make a great deal of honey bitter.Italian
A new broom is good for three days.
Italian
Wise men learn by other men's mistakes, fools by their own.
Italian
Proverbs bear age, and he who would do well may view himself in them as in a looking glass.
Italian
It is better if you could say "Here he ran away" than "Here he was killed."
Italian
A living ass is better than a dead doctor.
Italian