He that would beat his dog can easily find a stick.
More Italian Proverbs:
There goes more to marriage than four bare legs in a bed.Italian
There is a deep sea between saying and doing.
Italian
There is little peace in that house where the hen crows and the cock is mute.
Italian
There is never a cry of "Wolf!" but the wolf is in the district.
Italian
The liar is not believed when he speaks the truth.
Italian
Asking costs little.
Italian