Terms for subject Saying containing Differences

English	Russian
it is the piece of paper that makes the difference	без бумажки ты букашка, а с бумажкой человек (Alexgrus)
not to know the difference between chalk and cheese	путать червей с бубями (igisheva)
not to know the difference between chalk and cheese	червей от бубей не отличать (igisheva)