A lean horse does not kick.
More Italian Proverbs:
The tree is not to be judged of by its bark.Italian
With the skin of the dog its bite is cured.
Italian
There is little peace in that house where the hen crows and the cock is mute.
Italian
Women and hens are lost by too much gadding.
Italian
The wicked even hate vice in others.
Italian
It is good to buy when another wants to sell.
Italian