A man should look after his own, not to go gaping after what others have got.[На чужой кусок не разевай роток, а раньше вставай да свой затевай.]
Source:Part II, Chapter VII
Find more on
A man should look after his own, not to go gaping after what others have got.[На чужой кусок не разевай роток, а раньше вставай да свой затевай.]