Русско-английский словарь пословиц и поговорок
ЗА ТО СОБАКУ КОРМЯТ, ЧТО ОНА ЛАЕТ
You employ a man to do the work he is paid forCf:Don't keep a dog and bark yourself (Br.). I will not keep a dog and bark myself (Am.). No sense in keeping a dog when doing your own barking (Am.)