You can keep away from the rogue, but you cannot keep yourself safe from the liar.
More Irish Proverbs:
Praise the ripe field, not the green corn.Irish
Never buy through your ears but through your eyes.
Irish
The cat has leave to look at the queen and the queen has leave to shoot it.
Irish
Pity the man who does wrong and is poor as well.
Irish
Don't bother the beggar's son and the beggar's son won't bother you.
Irish
Never burn a penny candle looking for a halfpenny.
Irish