There are four things to which you should not lend credence: love of women, the charity of friars, sun in the winter, and clouds in the summer. (Sicilian Proverb)
There's no plan that can handle the vagaries of March. (Sicilian Proverb)
To get the best dowry, marry the poor man's first daughter but the rich man's last daughter. (Sicilian Proverb)