Who excuses himself without being accused makes his fault manifest.
More Italian Proverbs:
He who laughs overmuch may have an aching heart.Italian
Borrowed garments never fit well.
Italian
Women are wise impromptu, fools on reflection.
Italian
Conscience is as good as a thousand witnesses.
Italian
The tree does not fall at the first stroke.
Italian
He cannot lead a good life who serves without wages.
Italian