失之毫厘，谬以千里

Explanation: Cents, PCT: two small units of length. Started a little bit of error, the result will cause great error. 　　Usage: Complex sentence; for clause; that small errors will have a great mistake 　　Source: Han Dai Holy "Rites by Paul Fu": "" easy ", saying: 'is the book, million physics. Lost good as a mile'." 　　Examples: Sun scholars treat it as first, and then into jester. This way, really, "~" again! (I smell a "Qu Yuan issue") Thesaurus:  A slight mistake will result in a great error in the end, A slight mistake will result in a great error in the end