Fable 315 - The Shepherd and the Wolf Cub

A shepherd found a tiny wolf and reared it. Then, when it was a cub, he taught it to steal the sheep from the neighboring flocks One day,
the wolf confronted him and said:
‘Now that you have got me into the habit of stealing, take care you don’t miss any of your own sheep.’

People who are naturally clever, once trained to pillage and theft, as often as not do more harm to their masters than to strangers.